00450nam a2200169   450000500170000000700040001700800040002102000160002504000090004105000210005010000200007124500390009126000430013030000240017350000500019765000330024720150331153633.0000000  a 085238128X  aUOEL  aSH372b.H37 1991  aBy Hardy, David  aScallop Farming /cby David, Hardy  aLondon ;bFishing News Books ,cc1991.  aix.; 237p. :bill.;  aincludes bibliographical references and index  2Scallop farmingxAquaculture