Authors: Joop Eikenboom

Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 141-142

Created: 2016-06-27, modified: 2016-06-27

Authors: Joop H Kuchlein | Christien Kuchlein-Nijsten | Willy De Prins

Published in Phegea, in 2002, in volume 30, issue 3, pages 89-94

Created: 2015-12-27, modified: 2015-12-27