Alagarswami, K, and A Chellam. “CHANGE OF FOR.M AND DIMENSIONAL RELATIONSHIP IN THE PEARL OYSTER PINCTADA FUCATA FROM GULF OF MANNAR”. Indian Journal of Fisheries, vol. 24, no. 1 & 2, Nov. 2011, pp. 1-14, https://epubs.icar.org.in/index.php/IJF/article/view/12121.