@book{236244,
	author = {Lopes, R. a. and Lopes, O. V. P.},
	title = {On the reproduction of Brazilian fishes. 9 spermatogenesis of the surubim Pseudoplatystoma corruscans Agassiz 1829 - Pisces, Pimelodidae -},
	note = {Lopes, R. A.-Departamento de Estomatologia da Faculdade de Odontologia de Ribeirao Preto- USP- 14.050-Ribeirao Preto-SP.}
}