Births and growth models of sea lions and their application in the management of this resource

Tekijä Morales-Vela, B, Aguayo-Lobo, A
Julkaistu 1992

Skull development of the California sea lion (Zalophus californianus californianus)

Tekijä Vázquez-Cuevas, MJ, Aguayo-Lobo, A, Medrano-González, L
Julkaistu 2000