Requested reference
Fuhn, I. E. (1966). Le veuve noire-Latrodectus mactans tredecimguttatus (Rossi 1790) sur l'île de Popina (Razelm). Ocrotirea naturii şi mediului inconjurator, Bucureşti 10: 77-81. 
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Fuhn, I. E. (1966). Le veuve noire-Latrodectus mactans tredecimguttatus (Rossi 1790) sur l'île de Popina (Razelm). Ocrotirea naturii şi mediului inconjurator, Bucureşti 10: 77-81. -- Show included taxa