@book{langer1994gattung,
  address = {Berlin},
  author = {Langer, Ewald},
  interhash = {e82a6ab745a90b86ebb4e6c2019632f9},
  intrahash = {8a8caa612d0bce3d5554a171c34331c6},
  isbn = {3443590551 9783443590550},
  publisher = {J. Cramer},
  refid = {30541249},
  title = {Die Gattung Hyphodontia John Eriksson},
  url = {http://www.worldcat.org/search?qt=worldcat_org_all&q=9783443590550},
  year = 1994
}