@article{HoffschmidtRiffelmannKroedeletal.2001,
  author    = {Hoffschmidt, Bernhard and Riffelmann, K.-J. and Kr{\"o}del, M. and Rietbrock, P.},
  title     = {PHITREC - pressurized volumetric air receiver for high temperature solar applications / K.-J. Riffelmann ; B. Hofschmidt ...},
  series = {Forschungsbericht : DLR FB. 10 (2001)},
  journal   = {Forschungsbericht : DLR FB. 10 (2001)},
  isbn      = {0939-2963},
  pages     = {73 -- 74},
  year      = {2001},
  language  = {en}
}
@article{HoffschmidtTellezValverdeetal.2003,
  author    = {Hoffschmidt, Bernhard and T{\´e}llez, F{\´e}lix M. and Valverde, Antonio and Fernandez, Valerio and Fernandez, Jesus},
  title     = {Performance evaluation of the 200-kWth HiTRec-II open volumetric air receiver},
  series = {Journal of solar energy engineering},
  volume    = {Vol. 125},
  journal   = {Journal of solar energy engineering},
  number    = {Iss. 1},
  pages     = {87 -- 94},
  year      = {2003},
  language  = {en}
}
@article{HoffschmidtBeckerFend2006,
  author    = {Hoffschmidt, Bernhard and Becker, M. and Fend, Thomas},
  title     = {Theoretical and numerical investigation of flow stability in porous materials applied as volumetric solar receivers / M. Becker ; T. Fend ; B. Hoffschmidt ...},
  series = {Solar energy. 80 (2006), H. 10},
  journal   = {Solar energy. 80 (2006), H. 10},
  isbn      = {0038-092X},
  pages     = {1241 -- 1248},
  year      = {2006},
  language  = {en}
}
@article{HoffschmidtPitzPaalBoehmer1999,
  author    = {Hoffschmidt, Bernhard and Pitz-Paal, Robert and B{\"o}hmer, M.},
  title     = {A new closed/open volumetric receiver concept for parabolictrough collectors (test results)},
  series = {Journal de physique. 9 (1999), H. 3},
  journal   = {Journal de physique. 9 (1999), H. 3},
  isbn      = {1155-4339},
  pages     = {3},
  year      = {1999},
  language  = {en}
}
@article{HoffschmidtFernandezKonstandopoulus2001,
  author    = {Hoffschmidt, Bernhard and Fernandez, V. and Konstandopoulus, A. G.},
  title     = {Development of ceramic volumetric receiver technology},
  series = {Forschungsbericht : DLR FB. 10 (2001)},
  journal   = {Forschungsbericht : DLR FB. 10 (2001)},
  isbn      = {0939-2963},
  pages     = {51 -- 61},
  year      = {2001},
  language  = {en}
}
@article{HoffschmidtBuckFend2001,
  author    = {Hoffschmidt, Bernhard and Buck, R. and Fend, Thomas},
  title     = {Porous materials as volumetric solar receivers : experimental approach towards a detailed characterisation of instability problems / R. Buck ; T. Fend ; B. Hoffschmidt ...},
  series = {Forschungsbericht : DLR FB. 10 (2001)},
  journal   = {Forschungsbericht : DLR FB. 10 (2001)},
  isbn      = {0939-2963},
  pages     = {71 -- 72},
  year      = {2001},
  language  = {en}
}
@article{HoffschmidtFendPitzPaaletal.2004,
  author    = {Hoffschmidt, Bernhard and Fend, Thomas and Pitz-Paal, Robert and Reutter, Oliver},
  title     = {Porous materials as open volumetric solar receivers - Experimental determination of thermophysical and heat transfer properties / Thomas Fend ; Bernhard Hoffschmidt ...},
  series = {Energy. 29 (2004), H. 5},
  journal   = {Energy. 29 (2004), H. 5},
  isbn      = {0360-5442},
  pages     = {823 -- 834},
  year      = {2004},
  language  = {en}
}
@article{HoffschmidtKruegerHennecke2000,
  author    = {Hoffschmidt, Bernhard and Kr{\"u}ger, D. and Hennecke, K.},
  title     = {Results from parabolic trough systems for process heat at the DLR Cologne / D. Kr{\"u}ger ; B. Hoffschmidt ; K. Hennecke ...},
  series = {Solar thermal 2000 : proceedings of the 10th SolarPACES International Symposium on Solar Thermal Concentrating Technologies, Sydney, Australia, 8 - 10 March 2000 ; part of the},
  journal   = {Solar thermal 2000 : proceedings of the 10th SolarPACES International Symposium on Solar Thermal Concentrating Technologies, Sydney, Australia, 8 - 10 March 2000 ; part of the},
  address   = {Sydney},
  pages     = {113 -- 120},
  year      = {2000},
  language  = {en}
}
@article{HoffschmidtFendPitzPaaletal.2004,
  author    = {Hoffschmidt, Bernhard and Fend, Thomas and Pitz-Paal, Robert and Reutter, Oliver},
  title     = {Two novel high-porosity materials as volumetric receivers for concentrated solar radiation / Thomas Fend ; Robert Pitz-Paal ; Oliver Reutter ... Bernhard Hoffschmidt},
  series = {Solar energy materials \& solar cells. 84 (2004), H. 1},
  journal   = {Solar energy materials \& solar cells. 84 (2004), H. 1},
  isbn      = {0927-0248},
  pages     = {291 -- 304},
  year      = {2004},
  language  = {en}
}
@article{HoffschmidtFendJorgensenetal.2003,
  author    = {Hoffschmidt, Bernhard and Fend, Thomas and Jorgensen, Gary and K{\"u}ster, Harald},
  title     = {Comparative assessment of solar concentrator materials / Fend, Thomas ; Hoffschmidt, Bernhard ; Jorgensen, Gary ; K{\"u}ster, Harald ; Kr{\"u}ger, Dirk ; Pitz-Paal, Robert ; Riebrock, Peter ; Riffelmann, Klaus-J{\"u}rgen},
  series = {Solar energy. 74 (2003), H. 2},
  journal   = {Solar energy. 74 (2003), H. 2},
  isbn      = {0038-092X},
  pages     = {149 -- 155},
  year      = {2003},
  language  = {en}
}
@article{HoffschmidtPitzPaalBoehmer1997,
  author    = {Hoffschmidt, Bernhard and Pitz-Paal, R. and B{\"o}hmer, M.},
  title     = {Experimental and numerical evaluation of the performance and flow stability of different types of open volumetric absorbers under non-homogeneous irradiation / R. Pitz-Pahl ; B. Hofschmidt ; M. B{\"o}hmer ...},
  series = {Solar energy. 60 (1997), H. 3-4},
  journal   = {Solar energy. 60 (1997), H. 3-4},
  isbn      = {0038-092X},
  pages     = {135 -- 150},
  year      = {1997},
  language  = {en}
}
@article{HoffschmidtFendJorgensen2002,
  author    = {Hoffschmidt, Bernhard and Fend, Thomas and Jorgensen, Gary},
  title     = {Comparative assessment of solar concentrator materials / Thomas Fend ; Bernhard Hoffschmidt ; Gary Jorgensen ...},
  series = {Renewable energy for local communities of Europe : (toward Rio+10) ; proceedings / EuroSun 2002, the 4th ISES Europe Solar Congress ; Bologna (Italy), 23 - 26 June 2002 / ISES Italia},
  journal   = {Renewable energy for local communities of Europe : (toward Rio+10) ; proceedings / EuroSun 2002, the 4th ISES Europe Solar Congress ; Bologna (Italy), 23 - 26 June 2002 / ISES Italia},
  address   = {Bologna},
  isbn      = {88-900893-0-X},
  pages     = {paper_125.pdf},
  year      = {2002},
  language  = {en}
}
@article{StaatVu2007,
  author    = {Staat, Manfred and Vu, Duc-Khoi},
  title     = {Limit analysis of flaws in pressurized pipes and cylindrical vessels. Part I: Axial defects},
  series = {Engineering Fracture Mechanics. 74 (2007), H. 3},
  journal   = {Engineering Fracture Mechanics. 74 (2007), H. 3},
  isbn      = {0013-7944},
  pages     = {431 -- 450},
  year      = {2007},
  language  = {en}
}
@article{SchollPalmLehmannetal.1998,
  author    = {Scholl, Ingrid and Palm, Christoph and Lehmann, Thomas and Spitzer, Klaus},
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  series = {Bildverarbeitung f{\"u}r die Medizin 1998. Hrsg.: Thomas Lehmann ...},
  journal   = {Bildverarbeitung f{\"u}r die Medizin 1998. Hrsg.: Thomas Lehmann ...},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-63885-7},
  pages     = {412 -- 416},
  year      = {1998},
  language  = {en}
}
@article{SchollPelikanRepgesetal.1996,
  author    = {Scholl, Ingrid and Pelikan, Erich and Repges, Rudolf and Tolxdorff, Thomas},
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  series = {Medical Imaging 1996: Image Processing},
  journal   = {Medical Imaging 1996: Image Processing},
  pages     = {668 -- 678},
  year      = {1996},
  language  = {en}
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@article{MertensKlevenhusenJakob1987,
  author    = {Mertens, Josef and Klevenhusen, K. D. and Jakob, H.},
  title     = {Accurate Transonic Wave Drag Prediction Using Simple Physical Models},
  series = {AIAA-Journal. 25 (1987), H. 6},
  journal   = {AIAA-Journal. 25 (1987), H. 6},
  isbn      = {0001-1452},
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  year      = {1987},
  language  = {en}
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@article{StulpeBugajskiHellwig1998,
  author    = {Stulpe, Werner and Bugajski, S. and Hellwig, K.-E.},
  title     = {On Fuzzy Random Variables and Statistical Maps. Bugajski, S.; Hellwig, K.-E.; Stulpe, W.},
  series = {Reports on Mathematical Physics. 41 (1998), H. 1},
  journal   = {Reports on Mathematical Physics. 41 (1998), H. 1},
  isbn      = {0034-4877},
  pages     = {1 -- 11},
  year      = {1998},
  language  = {en}
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@article{StulpeRuch1998,
  author    = {Stulpe, Werner and Ruch, Ernst},
  title     = {Proof of the Mixing Theorem for Statistical Systems in Classical Physics. Ruch, Ernst; Stulpe, Werner},
  series = {Acta Applicandae Mathematicae. 53 (1998), H. 3},
  journal   = {Acta Applicandae Mathematicae. 53 (1998), H. 3},
  isbn      = {1572-9036},
  pages     = {329 -- 352},
  year      = {1998},
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@article{StulpeHellwig1993,
  author    = {Stulpe, Werner and Hellwig, K.-E.},
  title     = {A Classical Reformulation of Finite-Dimensional Quantum Mechanics. Hellwig, K.-E.; Stulpe, W.},
  series = {Quantum measurement, irreversibility and the physics of information / Symposium on the Foundations of Modern Physics 1993, Cologne, Germany 1 - 5 June 1993. Ed. Paul Busch},
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  publisher = {World Scientific},
  address   = {Singapore [u.a.]},
  isbn      = {981021507X},
  pages     = {209 -- 214},
  year      = {1993},
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}
@article{Stulpe1994,
  author    = {Stulpe, Werner},
  title     = {Some Remarks on Classical Representations of Quantum Mechanics},
  series = {Foundations of Physics . 24 (1994), H. 7},
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  isbn      = {1572-9516},
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}