@article{GoettscheReillyWittwer1991,
  author    = {G{\"o}ttsche, Joachim and Reilly, S. and Wittwer, Volker},
  title     = {Advanced window systems and building energy performance / S. Reilly ; J. G{\"o}ttsche ; V. Wittwer},
  series = {Solar World Congress, 1991 : proceedings of the biennial congress of the International Solar Energy Society, Denver, Colorado, USA, 19-23 August 1991 / ed. by M. E. Arden ...},
  journal   = {Solar World Congress, 1991 : proceedings of the biennial congress of the International Solar Energy Society, Denver, Colorado, USA, 19-23 August 1991 / ed. by M. E. Arden ...},
  publisher = {Pergamon Press},
  address   = {Oxford [u.a.]},
  isbn      = {0-08-041690-X},
  pages     = {3211 -- 3216},
  year      = {1991},
  language  = {en}
}
@article{Meliss1991,
  author    = {Meliß, Michael},
  title     = {Regenerative Energiequellen},
  series = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 43 (1991), H. 4},
  journal   = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 43 (1991), H. 4},
  issn      = {0006-9612 (Print) ; 1436-4883 (E-Journal)},
  pages     = {174 -- 181},
  year      = {1991},
  language  = {de}
}
@article{MelissSelzerZiesing1991,
  author    = {Meliß, Michael and Selzer, H. and Ziesing, H. J.},
  title     = {CO2-Reduktionspotentiale erneuerbarer Energiequellen},
  series = {Energiewirtschaftliche Tagesfragen. Jg. 41 (1991), H. 5},
  journal   = {Energiewirtschaftliche Tagesfragen. Jg. 41 (1991), H. 5},
  issn      = {0013-743X ; 0720-6240},
  pages     = {291 -- 299},
  year      = {1991},
  language  = {de}
}
@inproceedings{SchwarzerBiegerRickingetal.1991,
  author    = {Schwarzer, Klemens and Bieger, W. and Ricking, N. and Bansal, Narenda K.},
  title     = {Solar cooker with a rock bed cum oil storage},
  series = {1991 Solar World Congress : : proceedings of the Biennial Congress of the International Solar Energy Society, Denver, Colorado, USA, 19 - 23 August 1991 / ed. by M. E. Arden. Bd. 3,II},
  booktitle = {1991 Solar World Congress : : proceedings of the Biennial Congress of the International Solar Energy Society, Denver, Colorado, USA, 19 - 23 August 1991 / ed. by M. E. Arden. Bd. 3,II},
  publisher = {Pergamon Pr.},
  address   = {Oxford},
  isbn      = {0-08-041690-x},
  pages     = {3751 -- 3756},
  year      = {1991},
  language  = {en}
}
@inproceedings{SchwarzerWiedenfeldBansaletal.1991,
  author    = {Schwarzer, Klemens and Wiedenfeld, M. and Bansal, Narenda K. and Ertl, Karl-Heinz},
  title     = {A novel solar sterilization and water destillation system : experiment and thermodynamic analysis},
  series = {1991 Solar World Congress : : proceedings of the Biennial Congress of the International Solar Energy Society, Denver, Colorado, USA, 19 - 23 August 1991 / ed. by M. E. Arden. Bd. 2,II},
  booktitle = {1991 Solar World Congress : : proceedings of the Biennial Congress of the International Solar Energy Society, Denver, Colorado, USA, 19 - 23 August 1991 / ed. by M. E. Arden. Bd. 2,II},
  publisher = {Pergamon Pr.},
  address   = {Oxford},
  isbn      = {0-08-041690-x},
  pages     = {2276 -- 2281},
  year      = {1991},
  language  = {en}
}