Requested reference
Kleemola, A. (1963). On the zonation of spiders on stony shores of rocky islets in the southwestern archipelago of Finland. Aquilo 1: 26-38. 
-- Show included taxa
Kleemola, A. (1963). On the zonation of spiders on stony shores of rocky islets in the southwestern archipelago of Finland. Aquilo 1: 26-38. -- Show included taxa