Deka, Sujit . North-east India geo-environmental issues / edited by Sujit Deka. - Guwahati : EBH Publishers (India) , 2008 - 317p ; ISBN: 81-9038344-2 Subjects--Topical Terms: Geo-environmental of North East India Dewey Class. No.: H(G:55).449w / P8;6