Ortega, Hernan Annotated chechlist of the freshwater fishers of Peru / Hernan Ortega and Richard P. Vari - Washington : Smithsonian Institution Press, 1986 - 25 p. ; 28 cm. - Smithsonian constributions to zoology ; no. 437 . Subjects--Topical Terms: Fishes--Fresh water--Peru--BibliograpyFishes--Peru--Bibliography