Requested reference
Saaristo, M. I. & Harten, A. van (2002). The oonopid spiders (Arachnida: Araneae: Oonopidae) of Socotra, Yemen. Fauna of Arabia 19: 311-319. 
-- Show included taxa
Saaristo, M. I. & Harten, A. van (2002). The oonopid spiders (Arachnida: Araneae: Oonopidae) of Socotra, Yemen. Fauna of Arabia 19: 311-319. -- Show included taxa