NEGI V S Climate change Perspective and challenges in 21st century NEGI V S - "Delhi," Research India Press 2017 - "xxxi,401p" cm. ISBN: 9789351710943 1756 Standard No.: 206952 Source: "2826, 29/08/2017, RESEARCH INDIA PRESS" Textbook Dewey Class. No.: "U287:(G:55), Q7"