Searcy-Bernal, R., F.J. Lugo-Yuriar, and C. Beltrán-Herrera. 1989. “Periodicity Of Internal Growth Ring Deposition In The Pismo Clam (Tivela Stultorum) From Playa San Ramon, B.C., Mexico”. Ciencias Marinas 15 (3):45-56. https://doi.org/10.7773/cm.v15i3.655.