Published in Zoological Science, in 1994, in volume 11, pages 675-680

Created: 2012-09-19, modified: 2012-09-19

Published in Zoological Science, in 1993, in volume 10, pages 183-187

Created: 2012-09-19, modified: 2012-09-19

Published in Bonn zoological bulletin, in 2011, in volume 60, issue 1, pages 95-101

Created: 2014-05-20, modified: 2014-05-20