@mastersthesis {1100, title = {Faunistical research on Pselaphinae fauna (Coleoptera: Staphylinidae) in several regions of south-west Bulgaria}, volume = {PhD}, year = {2007}, pages = {131}, school = {Sofia University {\textquoteright}St. Climent Ohridski"}, address = {Sofia}, author = {Bekchiev, R.} } @article {10, title = {A contribution to the Pselaphinae fauna (Coleoptera: Staphylinidae) of the Vitosha Mountain}, journal = {Acta Zoologica Bulgarica}, volume = {59}, number = {1}, year = {2007}, pages = {33-39}, publisher = {Bulgarian Academy of Sciences}, abstract = {
}, author = {Bekchiev, R. and Shishiniova, M.} } @article {11, title = {Description d{\textquoteright}un nouveau Batrisodes de la Bulgarie (Coleoptera: Staphylinidae: Pselaphinae).}, journal = {Historia Naturalis Bulgarica}, volume = {18}, year = {2007}, pages = {75-80}, abstract = {
}, author = {Besuchet, C. and Bekchiev, R.} } @article {12, title = {Contribution to the knowledge of myrmecophilous beetles (Coleoptera) of Bulgaria.}, journal = {Acta Societatis Zoologicae Bohemicae}, volume = {71 }, number = {2}, year = {2007}, pages = {131-136}, abstract = {
}, author = {Hlav{\'a}{\v c}, P. and Bekchiev, R. and R{\r u}{\v z}i{\v c}ka, J. and Lackner, T.} }