1. Sexual Selection;Andersson,1994
2. Horned Beetles;Arrow,1951
3. The function of secondary sexual characters in two species of Dynastinae (Coleoptera);Beebe;Zoologica,1944
4. Notes on the Hercules beetle (Linn), at Rancho Grande, Venezuela, with special reference to combat behavior;Beebe;Zoologica,1947
5. Effects of male horn size on courtship activity in the forked fungus beetle, Bolitotherus cornutus (Coleoptera, Tenebrionidae);Brown;Annals of the Entomological Society of America,1983