Buckle, L., Guisado, C., Tarifeño, E., Zuleta, A., Cordova, L., & Serrano, C. (1978). Biological Studies On The Chilean Sea-Urchin Loxechinus Albus (Molina) (Echinodermata- Echinoidea) IV.- Maturation Cycle And Seasonal Biochemical Changes In The Gonad. Ciencias Marinas, 5(1), 1–18. https://doi.org/10.7773/cm.v5i1.318