NIXON, Marion. Treatise Online, no. 13, Part M, Chapter 5: Reproduction and lifespan. Treatise Online, [S. l.], 2011. DOI: 10.17161/to.v0i0.4083. Disponível em: https://journals.ku.edu/treatiseonline/article/view/4083.. Acesso em: 6 may. 2024.