Published in Zeitschrift für Säugetierkunde, in 1975, in volume 41, pages 114-118

Created: 2016-08-03, modified: 2016-08-03

Published in Amphibian and reptile conservation, in 2011, in volume 5, issue 2, pages 52-64

Created: 2016-06-02, modified: 2016-06-02