na INLIS000000000004696 20210509115434 0010-1118004696 210509 g 0 eng Biology and culture of pearl oyster (Bivalvia: Pteriidae) / M.H. Gervis; N.A. Sims GERVIS, M.H. Manila : ICLARM, 1992 v, 49 p. : ill. ; 28 cm. 971-8709-27-4 Bibl. p. 43 - 49 594.1 OYSTERS BIOLOGY 594.1 GER b 599/92