@article{Paschmann1997,
  author    = {Paschmann, Hans},
  title     = {Beitrag zur {\"o}kologischen Positionierung von Zement und Beton},
  series = {Zement, Kalk, Gips international: ZKG international. 50 (1997), H. 1},
  journal   = {Zement, Kalk, Gips international: ZKG international. 50 (1997), H. 1},
  isbn      = {0949-0205},
  pages     = {1 -- 8},
  year      = {1997},
  language  = {de}
}