Published in Malacological review, in 1975, in volume 8, pages 111-113

Created: 2026-05-06, modified: 2026-05-06

Published in Apex (Brussels), in 1986, in volume 1, pages 7-17

Created: 2013-07-27, modified: 2013-07-27

Published in Apex (Brussels), in 1986, in volume 1, issue 1, pages 3-6

Created: 2013-07-27, modified: 2013-07-27