TY - GEN AU - Bouetel,Virginie ED - European meeting on the palaeontology and stratigraphy of Latin America, 3 TI - Piscobalaena nana pilleri, 1989, cetacea, mysticeti: an ontogenetic serie of five new peruvian specimens, implications in the cetotheriidae sensu lato status N1 - bibliogr. p. 36 ER -