Published in Biol Bull, in 2003, in volume 204, pages 109-113

Created: 2010-01-07, modified: 2011-06-21

Published in Biol Bull, in 1998, in volume 195, pages 70-77

Created: 2010-01-07, modified: 2011-06-21

Published in Mammal Study, in 1996, in volume 21, pages 115-123

Created: 2014-09-25, modified: 2014-09-25

Published in Biol Bull, in 1997, in volume 193, pages 141-146

Created: 2010-01-07, modified: 2011-06-21

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

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