Douglass, Robert W. <br/><br/>
Forest recreation 

 - 2d ed. 
 - New York,  Pergamon Press  [1975] 
 - x, 336 p.  illus.  24 cm. 
 - Pergamon international library .
<br/><br/><label>ISBN: </label>0080180086  0080180078 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Outdoor recreation
<br/><br/><label>Dewey Class. No.: </label>333 PER 1975 A079 Or.