@article{Doeren1987,
  author    = {D{\"o}ren, Horst-Peter},
  title     = {Pulver-Auftragschweissen / Hoher Automatisierungsgrad des Plasmaverfahrens. Harte Panzerung aus dem Argon-Strahl.},
  series = {Handelsblatt. Nr. 212 vom 4.11.1987},
  journal   = {Handelsblatt. Nr. 212 vom 4.11.1987},
  pages     = {b15},
  year      = {1987},
  language  = {de}
}
@article{Pietsch1987,
  author    = {Pietsch, Wolfram},
  title     = {Qualit{\"a}t in die Wiege gelegt},
  series = {Markt \& Technik : die unabh{\"a}ngige Wochenzeitung f{\"u}r Elektronik},
  journal   = {Markt \& Technik : die unabh{\"a}ngige Wochenzeitung f{\"u}r Elektronik},
  number    = {H. 10},
  issn      = {0344-8843},
  pages     = {58 -- 63},
  year      = {1987},
  language  = {de}
}
@article{Frings1987,
  author    = {Frings, Michael},
  title     = {Rechtswirkungen eines Auslandskonkurses f{\"u}r Inlandsforderungen, LG Aachen},
  series = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1987)},
  journal   = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1987)},
  isbn      = {0179-4043},
  pages     = {502},
  year      = {1987},
  language  = {de}
}
@article{Meliss1987,
  author    = {Meliß, Michael},
  title     = {Regenerative Energiequellen},
  series = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 39 (1987), H. 4},
  journal   = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 39 (1987), H. 4},
  issn      = {0006-9612 (Print) ; 1436-4883 (E-Journal)},
  pages     = {160 -- 167},
  year      = {1987},
  language  = {de}
}
@book{Siepmann1987,
  author    = {Siepmann, Thomas},
  title     = {Reibmomente in Zylinderrollenlagern f{\"u}r Planetenr{\"a}der},
  address   = {Bochum},
  isbn      = {3-89194-068-8},
  pages     = {279 S. : graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{KotterLintz1987,
  author    = {Kotter, Michael and Lintz, Hans-G{\"u}nther},
  title     = {R{\´e}duction catalytique s{\´e}l{\´e}ktive des oxydes d'azote : une conc{\´e}ption originale},
  series = {Entropie. 23 (1987), H. 137/138},
  journal   = {Entropie. 23 (1987), H. 137/138},
  isbn      = {0013-9084},
  pages     = {109 -- 116},
  year      = {1987},
  language  = {de}
}
@article{SponagelKilthauSpies1987,
  author    = {Sponagel, Stefan and Kilthau, G. and Spies, K. H.},
  title     = {Sealing mechanism of lip seals},
  series = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  journal   = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  publisher = {Elsevier},
  address   = {London},
  isbn      = {3-540-51383-3},
  pages     = {748 -- 772},
  year      = {1987},
  language  = {en}
}
@article{StarkeBeckmannRogosetal.1987,
  author    = {Starke, G{\"u}nther and Beckmann, L.-H. and Rogos, J. and Schmall, K-H. (u.a.)},
  title     = {Sensoren in der automatisierten Schweisstechnik},
  pages     = {61 -- 147},
  year      = {1987},
  language  = {de}
}
@article{DoerenWernicke1987,
  author    = {D{\"o}ren, Horst-Peter and Wernicke, K.},
  title     = {Slijtvaste lagen door oplassen met plasmapoeder},
  series = {Metaal en Kunststof: MK. Universeel weekblad voor fabriek en werkplaats. 24 (1987), Nr. 23},
  journal   = {Metaal en Kunststof: MK. Universeel weekblad voor fabriek en werkplaats. 24 (1987), Nr. 23},
  issn      = {0026-0460},
  pages     = {76 -- 79},
  year      = {1987},
  language  = {nl}
}
@book{KetternGruenebaumFrechen1987,
  author    = {Kettern, J{\"u}rgen and Gr{\"u}nebaum, Thomas and Frechen, Franz-Bernd},
  title     = {Standzeituntersuchungen an Kompostfiltern und Ausarbeitung von Bau- und Betriebsanleitungen f{\"u}r Erd- und Kompostfilter im Bereich von Kl{\"a}ranlagen : Abschlußbericht {\"u}ber erg{\"a}nzende Untersuchungen / Thomas Gr{\"u}nebaum; J{\"u}rgen T. Kettern; Franz-Bernd Frechen.},
  address   = {Aachen},
  pages     = {ca 180 S.},
  year      = {1987},
  language  = {de}
}