00555nam a2200157   450000500170000000700040001700800040002104000090002505000190003411000820005324501250013526000480026030000240030850000400033265000250037220150528093942.0000000  aUOEL  aSH3b.I57 1981  aInstitute of Fisheries ManagementcUniversity of Durhamd21-24 September 1981  aThe Institute of Fisheries Mnangement 12th Annual Study Course Proceedings;bUniversity of Durham 21-24 September 1981 /  aEdinburgh :bUniversity of Durham ,cc1981.  a119 p,;bill., maps  aIncludes bibliographical references  aFisheries Management