00643nam a2200205Ia 4500 9251052247 OSU 338 FOO 2004 A078 Or. Helm, Michael M Hatchery culture of bivalves : a practical manual / Rome : Food and Agriculture Organization of the United Nations, c2004 xxi, 177 p. : col. ill. ; 30 cm FAO fisheries technical paper, Shellfish fisheries Bivalves Bourne, N. Lovatelli, Alessandro Food and Agriculture Organization of the United Nations EK 15982 15982