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2. The Baboon Spider Atlas - using citizen science and the ‘fear factor’ to map baboon spider (Araneae: Theraphosidae) diversity and distributions in Southern Africa
3. The Formicidae (Hymenoptera) of Fennoscandia and Denmark. -;Collingwood;Fauna Entomol. Scand,1979
4. Colonies of hybrids and mixed colonies; interspecific nest takeover in wood ants (Hymenoptera, Formicidae);Czechowski;Memorab. Zool,1996