Lawrence, George Richard Peter <br/><br/>
Cartographic methods 
/ by G. R. P. Lawrence 
 - London  Methuen  1971 
 - xiii, 162 p. illus. 24 cm. 
<br/><br/>Bibliography: p. 137-139. 
<br/><br/><label>ISBN: </label>0416071007 
<br/><br/><label>LCCN: </label>74-884413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartography