@article{LaackRefischVogel1987,
  author    = {Laack, Walter van and Refisch, A. and Vogel, P.},
  title     = {Polymyalgia rheumatica vom Beckeng{\"u}rteltyp: Eine seltene Differentialdiagnose der radikul{\"a}ren und pseudoradikul{\"a}ren Lumbalsyndrome. Fallbeschreibung und Literatur{\"u}bersicht / Refisch, A. ; Laack, W. van ; Vogel, P.},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {567},
  year      = {1987},
  language  = {de}
}
@article{Stulpe1987,
  author    = {Stulpe, Werner},
  title     = {Conditional Expectations and Stochastic Processes in Quantum Probability},
  series = {Information complexity and control in quantum physics : proceedings of the 4. Internat. Seminar on Mathematical Theory of Dynamical Systems and Microphysics, Udine, Sept. 4 - 13, 1985 / ed. by A. Blaquiere ...},
  journal   = {Information complexity and control in quantum physics : proceedings of the 4. Internat. Seminar on Mathematical Theory of Dynamical Systems and Microphysics, Udine, Sept. 4 - 13, 1985 / ed. by A. Blaquiere ...},
  publisher = {Springer},
  address   = {Wien [u.a.]},
  isbn      = {3-211-81992-4},
  pages     = {223 -- 234},
  year      = {1987},
  language  = {en}
}
@article{LaackAlbrecht1987,
  author    = {Laack, Walter van and Albrecht, T.},
  title     = {Ultraschalltherapie in der Praxis},
  series = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  volume    = {63},
  journal   = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  number    = {19},
  isbn      = {0341-9835},
  pages     = {605 -- 608},
  year      = {1987},
  language  = {de}
}
@article{LaackAlbrecht1987,
  author    = {Laack, Walter van and Albrecht, T.},
  title     = {Mikrobiologische Untersuchungen auf Keimfreiheit bei physikalischen Anwendungen},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {73},
  year      = {1987},
  language  = {de}
}
@article{LaackRefisch1987,
  author    = {Laack, Walter van and Refisch, A.},
  title     = {Beeinflussen Beinhalter die Knieseitenbandstabilit{\"a}t bei der Arthroskopie?},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {434},
  year      = {1987},
  language  = {de}
}