@incollection{gledocs_11858_7016,
author = {Reitner, Joachim},
editor = {Schmid, Friedrich},
title = {Erster Nachweis eines Rudisten (Durania mortoni (Mantell 1833)) aus der Mittelkreide von Helgoland},
booktitle = {Die Kreide der Nordseeinsel Helgoland},
year = {1991},
publisher = {Schweizerbart},
publisher = {Stuttgart},

note = { \url {http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/7016}},
}