Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 211-219
Created: 2013-02-11, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/41153516,60,60)
Published in Revue Suisse De Zoologie, in 1987, in volume 94, pages 659-670
Created: 2013-01-24, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/40806591,60,60)
Published in Revue Suisse De Zoologie, in 1974, in volume 81, pages 401-404
Created: 2012-11-18, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/41305206,60,60)
Published in Revue Suisse De Zoologie, in 1985, in volume 92, pages 635-639
Created: 2013-02-03, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/41497830,60,60)
Published in Revue Suisse De Zoologie, in 1977, in volume 84, pages 297-300
Created: 2013-03-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/41303594,60,60)
Published in Revue Suisse De Zoologie, in 1984, in volume 91, pages 163-167
Created: 2013-02-03, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/58821420,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/51315779,60,60)
Published in Journal of Raptor Research, in 1997, in volume 31, issue 3, pages 253-259
Created: 2017-04-07, modified: 2017-04-07