Requested reference
Deltshev, C., Lazarov, S. & Petrov, B. P. (2003). A contribution to the study of spiders (Araneae) from the caves of Bulgaria. Acta Zoologica Bulgarica 55: 9-28. 
-- Show included taxa
Deltshev, C., Lazarov, S. & Petrov, B. P. (2003). A contribution to the study of spiders (Araneae) from the caves of Bulgaria. Acta Zoologica Bulgarica 55: 9-28. -- Show included taxa