1. Hjelle JT (1990) Anatomy and morphology. In Biology of Scorpions (GA Polised.) Stanford, CA: Stanford University Press, 9–63.
2. Polis GA (1990) Ecology. In Biology of Scorpions (GA Polised.) Stanford, CA: Stanford University Press, 247–293.
3. Sissom WD, Polis GA, Watt DD (1990) Field and laboratory methods. In Biology of Scorpions (GA Polised.) Stanford, CA: Stanford University Press, 445–461.
4. Aops oncodactylus, gen. et sp. nov., the first troglobitic urodacid (Urodacidae: Scorpiones), with a re-assessment of cavernicolous, troglobitic and troglomorphic scorpions;ES Volschenk;Invertebrate Systematics,2008
5. The genus Vietbocap Lourenço & Pham, 2010 (Scorpiones: Pseudochactidae); a proposition of a new subfamily and description of a new species from Laos;WR Lourenço;Comptes Rendus Biologies,2012