Martin, David. Geographic information systems : socioeconomic applications / by David Martin. - 2nd ed / . - London : Routledge , 2002. - xxii,210p. : ill.,figs.,plates ; 23cm . Includes bibliographical reference and Index ISBN: 9780415125727 Rs. 550.00 Subjects--Index Terms: GEOGRAPHY, APPLICATION OF COMPUTER Dewey Class. No.: 910.285416 / MAR/G