@book{noauthororeditor2008entstehung,
  address = {Hamburg},
  author = {Mustermann, Peter},
  interhash = {e1f97adc781a0093823a8f906e656ce7},
  intrahash = {51c451b07f29a35f3693dcdf9a430a41},
  isbn = {9783868200027 3868200029},
  publisher = {Nikol},
  refid = {271637306},
  title = {Die Entstehung der Arten},
  url = {http://www.amazon.de/Die-Entstehung-Arten-Charles-Darwin/dp/3868200029/ref=sr_1_1?ie=UTF8&qid=1425552195&sr=8-1&keywords=darwin},
  year = 2008
}