@book{Kettern1989,
  author    = {Kettern, J{\"u}rgen},
  title     = {Untersuchungen zur biologisch-chemisch-physikalischen Behandlung von Deponiesickerw{\"a}ssern},
  pages     = {XIV, 184 S. m. 72 Abb., 55 Tab., Anl.},
  year      = {1989},
  language  = {de}
}