Romero-Orozco, E.J., and H. Bertsch. “Effects Of The Commercial Fishing Of`The Red Urchin, Strongylocentrotus Franciscanus (Echinodermata), On It’s Population Structure In Santo Tomas, Baja California, Mexico, With a Comparison Of Sampling Methods”. Ciencias Marinas 10, no. 2 (March 6, 1984): 85–105. Accessed May 11, 2024. https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/440.