Peuquet, Donna J.. Introductory readings in geographic information systems / edited by Donna J.Peuquet, Duane F. Marble. - London : Taylor and Francis , 1990. - x,371p. : ill. ; 23cm CD . NULL ISBN: 0850668573 NULL Subjects--Index Terms: GEOGRAPHY-APPLICATION OF MICRO COMPUTER SYSTEM Dewey Class. No.: 910.285416 / PEU/I