TY - BOOK T1 - The reproductive biology of Tripneustes gratilla (Linnaeus) (Enchinodermata; Echinoidea) with some notes on Diadema setosum (Leske) A1 - Tuason, Alfonso Y. 1954- LA - English UL - https://tuklas.up.edu.ph/Record/UP-99796217604454731 NO - Mimeographed. NO - Thesis (M.S.)--University of the Philippines, Quezon City. CN - LG 995 1980 M2 T83 KW - Sea-urchins. KW - Reproduction. ER -