Perez-Cortez M. , Hector, Jorge Urban R., and Pablo A. Loreto C. “A Note on Gray Whale Distribution and Abundance in the Magdalena Bay Complex, México During the 1997 Winter Season”. J. Cetacean Res. Manage. 6, no. 2 (March 15, 2023): 133–138. Accessed September 28, 2025. https://journal-iwc-live.netxtra.dev/index.php/jcrm/article/view/776.