LockemannS87'

@book{DBLP:books/sp/LockemannS87,
  editor    = {Peter C. Lockemann and
               Joachim W. Schmidt},
  title     = {Datenbankhandbuch},
  publisher = {Springer},
  year      = {1987},
  isbn      = {3-540-10741-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}