Eastman, Ronald J. IDRISI version 4.0 / Ronald J. Eastman - New York : UNEP/GRID, c1997. - 212 p. : ill. ; 24 cm. ISBN: LCCN: Subjects--Topical Terms: Computer programmingOmputer science LC Class. No.: G93 / .D74 1997 Dewey Class. No.: 005.13 / E13i