Martin, David <br/><br/>
Geographic information systems/  Socioeconomic applications 
David Martin 
 - 2nd ed. 
 - London  Routledge  1996 
 - xxii, 210p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems
<br/><br/><label>LC Class. No.: </label>G70.2  / .M37 1996