Bellarmine, K.C Studies on the Technological Aspects and Economic Efficiency of Trawlgear Operating Along the CochinCoast - - Cochin Dept. of Industrial fisheries 1991 - 182 p. Guide: M. Shahul Hameed ISBN: ISSN: Subjects--Index Terms: Studies on the Technological Aspects Dewey Class. No.: 629.124.72(210.5:548.3C)