@article{BienerSasse1993,
  author    = {Biener, Ernst and Sasse, T.},
  title     = {Herstellen von Deponieabdichtungen in ung{\"u}nstigen Witterungsperioden},
  series = {Standard-Abdichtungssysteme f{\"u}r Deponiebauwerke : Seminarunterlagen},
  journal   = {Standard-Abdichtungssysteme f{\"u}r Deponiebauwerke : Seminarunterlagen},
  publisher = {Haus der Technik, Essen},
  address   = {Essen},
  pages     = {1 -- 17},
  year      = {1993},
  language  = {de}
}
@article{BienerSasse1993,
  author    = {Biener, Ernst and Sasse, T.},
  title     = {Construction and rehabilitation of landfill shafts},
  series = {Sardinia 93 : Fourth International Landfill Symposium "Barrier systems, environmental aspects, upgrading and remediation, siting, monofills, effects of waste pretreatment, landfilling in developing countries" ; 11 - 15 October 1993, S. Margherita di Pula (Cagliari), Sardinia, Italy ; proceedings / coord. by Thomas H. Christensen ... - Bd. 1},
  journal   = {Sardinia 93 : Fourth International Landfill Symposium "Barrier systems, environmental aspects, upgrading and remediation, siting, monofills, effects of waste pretreatment, landfilling in developing countries" ; 11 - 15 October 1993, S. Margherita di Pula (Cagliari), Sardinia, Italy ; proceedings / coord. by Thomas H. Christensen ... - Bd. 1},
  publisher = {CISA, Environmental Sanitary Engineering Centre},
  address   = {Cagliari},
  pages     = {451 -- 460},
  year      = {1993},
  language  = {en}
}