BibTeX

@book{koenig/seiffert:1989,
  title = {Grundkurs PROLOG f{ü}r Linguisten},
  publisher = {Francke-Verlag},
  year = {1989},
  author = {K{ö}nig, Esther and Seiffert, Roland},
  address = {T{ü}bingen},
  keywords = {logic programming, Prolog},
  pdf = {http://www.seiffert-diaz.net/einf-prolog-koenig-seiffert.pdf}
}