Requested reference
Czajka, M. (1963). Leptyphantes kochi Kulcz. (Araneida, Linyphiidae) w Polsce. Fragmenta Faunistica 10(20): 303-308. 
-- Show included taxa
Czajka, M. (1963). Leptyphantes kochi Kulcz. (Araneida, Linyphiidae) w Polsce. Fragmenta Faunistica 10(20): 303-308. -- Show included taxa