DEMERS Michael N Fundamentals of geographic information systems - 4th - New Delhi Wiley India 2009 - xiii, 443p. cm. Bibliography chapterwise ISBN: 9788126537211 709.00 Source: IN3738/18-19, 14/03/2019, R K Books General Book Subjects--Topical Terms: Geography Dewey Class. No.: U:(D6,9(B), M5;P9