Lang T <br/><br/>
Computer programs for mapping 

 - London  Architectural Press UK          1971 
 - 204p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U11:(D6,9(B), L1