Heywood, Ian \\ An introduction to geographical information systems \\\ . \\\ Ian Heywood - 2nd ed. - Delhi, India Pearson Educaton - xv, 287 Bibliography : P. 255-281, Index(283-87), glossary(271-81), ISBN: 9788177587845 Subjects--Topical Terms: Geography, Geography Dewey Class. No.: 910.9/H622i