Published in Zoological Science, in 1989, in volume 6, pages 697-708

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

Published in Zoological Science, in 1993, in volume 10, pages 43-51

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

Published in Zoological Science, in 1993, in volume 10, pages 653-660

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