R. Saravanan, P. Jawahar, T. Francis, B. Ahilan, R. Santhakumar, and G. Gopakumar, “Ehinoid landings at Mandapam, south-east coast of India with a note on gonadal maturity of two species of sea urchins”, Indian J. Fish., vol. 64, Mar. 2018, doi: 10.21077/ijf.2017.64.special-issue.76265-28.