Maling D.H <br/><br/>
Measurements from maps   principles and methods of Cartometry 
H Maling 
 - Oxford  Pergamon Press  1989 
<br/><br/><label>ISBN: </label>0080302904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maps ,Areas. Measurement
<br/><br/><label>LC Class. No.: </label>GA 23 .M34