Marine Mammal Institute

Urbán-Ramirez, J., V. de Sahagún, F., Jones, M. L., Swartz, S. L., Mate, B. R., Gómez-Gallardo, A., & Guerrero-Ruíz, M.. (2004). Gray whales with loss of flukes adapt and survive. Marine Mammal Science, 20, 335-338.

Herzing, D. L., & Mate, B. R.. (1984). Gray whale migrations along the Oregon coast, 1978-1981. In M. L. Jones, Swartz, S., & Leatherwood, S. (Eds.), The Gray Whale (pp. 289-307). Academic Press.