Gayatree S Narvenkar A Comparative study of nitrous oxide and methane in freshwater and marine ecosystems in and around India: thesis / Gayatree S Narvenkar - Mangalagangothri: Mangalore University, 2015. - xvii,144p.; 28 cm. Subjects--Topical Terms: Marine geology - thesis Dewey Class. No.: PHD 551.466 / P15/GAY