TY - GEN AU - Chidambaram,K. AU - Rajendran,A.D.Isaac AU - Valsan,A.P. TI - Certain observations on the hydrography and biology of the pearl bank, Tholayiram Paar off Tuticorin in the Gulf of Manaar in April 1949 PY - 1951/// CY - [S.l. PB - s.n.] ER -