Horne, E. C.; Bray, R. A.; Bousfield, B. (2011). The presence of the trematodes Cardiocephaloides physalis and Renicola sloanei in the African Penguin Spheniscus demersus on the east coast of South Africa. Ostrich. 82(2): 157-160.
The presence of the trematodes Cardiocephaloides physalis and Renicola sloanei in the African Penguin Spheniscus demersus on the east coast of South Africa