Valadez-González, C., Aguilar-Palomino, B., & Hernández-Vázquez, S. (2001). Feeding habits of the round stingray Urobatis Halleri (Cooper, 1863) (Chondrichthyes: Urolophidae) from the continental shelf of Jalisco and Colima, Mexico. Iniversidad Autónoma de Baja California.

Valadez-González, C., B. Aguilar-Palomino, و S. Hernández-Vázquez. Feeding Habits of the Round Stingray Urobatis Halleri (Cooper, 1863) (Chondrichthyes: Urolophidae) From the Continental Shelf of Jalisco and Colima, Mexico. Iniversidad Autónoma de Baja California, 2001.

Valadez-González, C., B. Aguilar-Palomino, و S. Hernández-Vázquez. Feeding Habits of the Round Stingray Urobatis Halleri (Cooper, 1863) (Chondrichthyes: Urolophidae) From the Continental Shelf of Jalisco and Colima, Mexico. Iniversidad Autónoma de Baja California, 2001.