VASANTHA Kumaran, T. Norbert, S.Antony Geographical technologies in information and space age / T.Vasantha Kumaran, S.Antony Norbert - Colombo: Kumaran Book House, 2007 - 50 p.- - Monograph series in geography; no.1 . ISBN: 9789556590803 Subjects--Topical Terms: Geography Dewey Class. No.: 910 / VAS