Template:Wassersug & Pyburn, 1987
- Wassersug, R. & Pyburn, W.P. 1987. The biology of the Pe-ret' toad, Otophryne robusta (Microhylidae), with special consideration of its fossorial larva and systematic relationships. Zoological Journal of the Linnean Society 91(2): 137–169. DOI: 10.1111/j.1096-3642.1987.tb01726.x
