Galápagos and Californian sea lions are separate species: genetic analysis of the genus Zalophus and its implications for conservation management
In: Frontiers in Zoology, Jg. 4 H. 12007
Tracing early stages of species differentiation: ecological, morphological and genetic divergence of Galápagos sea lion populations
In: BMC Evolutionary Biology, Jg. 8 H. 12008