VIRKKI, N. Observations on the Spermatogenesis of Some Scarabaeoid Beetles. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 50, n. 4, p. 338–341, 1966. DOI: 10.46429/jaupr.v50i4.3472. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/3472. Acesso em: 16 aug. 2022.