00643nam a2200205Ia 4500020001500000040000800015082002600023100002000049245005700069260007600126300003800202490003500240650002400275650001300299700001500312700002600327710006000353942000700413999001700420  a9251052247  cOSU  a338 FOO 2004 A078 Or.1 aHelm, Michael M10aHatchery culture of bivalves :ba practical manual /  aRome :bFood and Agriculture Organization of the United Nations,cc2004  axxi, 177 p. :bcol. ill. ;c30 cm1 aFAO fisheries technical paper, 0aShellfish fisheries 0aBivalves1 aBourne, N.1 aLovatelli, Alessandro2 aFood and Agriculture Organization of the United Nations  cEK  c15982d15982