Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 19-26

Created: 2016-09-16, modified: 2016-09-16

Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 27-34

Created: 2016-09-16, modified: 2016-09-16

Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 35-51

Created: 2016-09-16, modified: 2016-09-16

Published in Historia Naturalis Bulgarica, in 1998, in volume 9, pages 53-69

Created: 2012-04-02, modified: 2012-04-02

Published in Historia Naturalis Bulgarica, in 1998, in volume 9, pages 71-77

Created: 2012-04-02, modified: 2012-04-02

Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 79-86

Created: 2016-09-16, modified: 2016-09-16

Published in Historia Naturalis Bulgarica, in 1998, in volume 9, pages 87-99

Created: 2012-04-02, modified: 2012-04-02

Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 101-113

Created: 2016-09-16, modified: 2016-09-16

Published in Historia naturalis bulgarica, in 1998, in volume 9, pages 129-142

Created: 2016-09-16, modified: 2016-09-16