Published in Historia Naturalis Bulgarica, in 1997, in volume 7, pages 13-16
Created: 2016-09-16, modified: 2016-09-16![](https://www.biodiversitylibrary.org/pagethumb/31144074,60,60)
Published in Historia Naturalis Bulgarica, in 2000, in volume 11, pages 39-46
Created: 2016-09-16, modified: 2016-09-16![](https://www.biodiversitylibrary.org/pagethumb/31191286,60,60)
Published in Historia Naturalis Bulgarica, in 2001, in volume 13, pages 89-92
Created: 2014-03-15, modified: 2014-03-15![](https://www.biodiversitylibrary.org/pagethumb/31143700,60,60)
Published in Historia naturalis bulgarica, in 2002, in volume 15, pages 55-72
Created: 2016-09-16, modified: 2016-09-16![](https://www.biodiversitylibrary.org/pagethumb/31144060,60,60)
Published in Historia naturalis bulgarica, in 2000, in volume 11, pages 25-32
Created: 2016-09-16, modified: 2016-09-16![](https://www.biodiversitylibrary.org/pagethumb/31191276,60,60)
Published in Historia naturalis bulgarica, in 2001, in volume 13, pages 79-87
Created: 2016-09-16, modified: 2016-09-16