Authors: Stefano Valdesalici | Kiril Kardashev

Published in Bonn zoological bulletin, in 2011, in volume 60, issue 1, pages 89-93

Created: 2014-05-20, modified: 2014-05-20

Authors: Nikolaï Spassov | Kiril Georgiev | Vasil Ivanov | Pavel Stoev

Published in Historia naturalis bulgarica, in 1999, in volume 10, pages 133-146

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

Authors: Nikolaï Spassov | Nevena Ivanova | Kiril Georgiev | Vassil Ivanov

Published in Historia naturalis bulgarica, in 2002, in volume 14, pages 123-140

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