Singh, R.B.. Global environmental change : perspectives of remote sensing and geographic information system / edited by R.B. Singh. - New Delhi : Oxford and IBH Publishing , 1995. - v,321p. : ill.,tables.,figs.,maps., ; 24cm. . NULL ISBN: 8120409906 Rs.675.00 Subjects--Index Terms: REMOTE SENSING GEOGRAPHY Dewey Class. No.: 621.3678 / SIN/G