@book{kolumbus2000erste,
  asin = {3150180791},
  author = {Kolumbus, Christoph},
  ean = {9783150180792},
  interhash = {0b8672a9ca25ac29ee29a003c96f195d},
  intrahash = {e887935e7dec2a3be152575f876c1936},
  isbn = {3150180791},
  publisher = {Reclam, Ditzingen},
  title = {Der erste Brief aus der Neuen Welt: Mit dem spanischen Text des Erstdrucks im Anhang},
  url = {http://www.amazon.de/erste-Brief-aus-Neuen-Welt/dp/3150180791/ref=sr_1_8?ie=UTF8&qid=1308305912&sr=8-8},
  year = 2000
}

@book{kolumbus2006christoph,
  asin = {3720527743},
  author = {Kolumbus, Christoph},
  ean = {9783720527743},
  interhash = {617f513d60b3c8ef3b3acb57c1dcd171},
  intrahash = {26a4adc6c5845c18373021954f7d068c},
  isbn = {3720527743},
  publisher = {Diederichs},
  title = {Christoph Kolumbus: Bordbuch - Aufzeichnungen seiner ersten Entdeckungsfahrt nach Amerika 1492-93},
  url = {http://www.amazon.de/Christoph-Kolumbus-Bordbuch-Aufzeichnungen-Entdeckungsfahrt/dp/3720527743/ref=sr_1_1?ie=UTF8&qid=1305188956&sr=8-1},
  year = 2006
}