Paper  bibtex   

@book{kremerBaumeStraucher2010,
  title = {Bäume \& {{Sträucher}}},
  author = {Kremer, Bruno P.},
  editor = {Steinbach, G.},
  date = {2010},
  publisher = {{Ulmer}},
  url = {http://www.worldcat.org/isbn/9783800159345},
  isbn = {978-3-8001-5934-5},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-13504062,forest-resources,forest-species}
}