McDonnell, Porter W.,  1929- <br/><br/>
Introduction to map projections 
Porter W. McDonnell, Jr. 
 - New York  M. Dekker  1979 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0824768302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Map--projection.