Star, Jeffrey <br/><br/>
Geographic information systems :  an introduction 
Jeffrey Star, John Estes 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1990 
 - 303 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0133511235  RM208.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Data processing