Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 211-219

Created: 2013-02-11, modified: 2023-02-16

Published in Revue Suisse De Zoologie, in 1987, in volume 94, pages 659-670

Created: 2013-01-24, modified: 2023-02-16

Published in Revue Suisse De Zoologie, in 1974, in volume 81, pages 401-404

Created: 2012-11-18, modified: 2023-02-16

Published in Revue Suisse De Zoologie, in 1985, in volume 92, pages 635-639

Created: 2013-02-03, modified: 2023-02-16

Published in Revue Suisse De Zoologie, in 1977, in volume 84, pages 297-300

Created: 2013-03-26, modified: 2023-02-16

Published in Revue Suisse De Zoologie, in 1984, in volume 91, pages 163-167

Created: 2013-02-03, modified: 2023-02-16

Published in Mémoires du Muséum national d'histoire naturelle, in 1995, in volume 166, pages 385-396

Created: 2019-09-30, modified: 2019-09-30

Published in Journal of Raptor Research, in 1997, in volume 31, issue 3, pages 253-259

Created: 2017-04-07, modified: 2017-04-07