Clarke, Keith C., 1955- Getting started with geographic information systems / Keith C. Clarke. - Upper Saddle River, NJ : Prentice Hall, c1997. - xiii, 353 p. : ill. ; 24 cm. - Prentice Hall series in geographic information science . Includes bibliographical references and index. ISBN: 0132947862 LCCN: 96036449 Subjects--Topical Terms: Geographic information systems. LC Class. No.: G70.212 / .C57 1997 Dewey Class. No.: 910/.285