Timber : problems, prospects, policies 
edited by William A.Duerr 
 - New York  Iowa State University Press Ames  c 1973 
 - xvi, 260p.; 24 cm. 
<br/><br/><label>ISBN: </label>0813817005 
<br/><br/><label>Dewey Class. No.: </label>581.64  / DUE