Raveendra Narayan Durgekar Effect of bottom trawling on non target species and selected hydrobiological parameters off Mangalore coast: thesis / Narayan Durgekar Raveendra - Mangalagangothri: Mangalore University, 2007. - 200 p.; 29 cm. Subjects--Topical Terms: Bioscience-thesis Dewey Class. No.: PHD 578.012 / P07/RAV