00506cam a2200157 a 450000500170000000800410001703500150005805000150007310000230008824501000011126000410021130000110025265000380026365000240030170000230032520260817163147.0090819s1977 us r 000|0 eng | a.b1009333300aSH135bB441 aBell, Frederick W.10aAquaculture for the developing countries :ba feasibility study /cby ... and E. Ray Canterbery aCambridge, Mass. :bBallinger,c1977 a266 p. 0aUnderdeveloped areasxAquaculture 0aTechnology transfer1 aCanterbery, E. Ray