Translation of 'Aktuo-Paläontologie nach Studien in der Nordsee'. Frankfurt: W. Kramer, 1962.
Bibliographyp.508-543. _ Includes index.
Ecology and palaeoecology of marine environments by Wilhelm Schäfer. ISBN 0050021273. Published by Oliver and Boyd in 1972. Publication and catalogue information, links to buy online and reader comments.