Garrett, Lawrence D. <br/><br/>
Developing models to forecast sales of natural chritmas trees / 
by Lawrence D. Garrett and Thomas H.  Pendleton 
 - Washington, D.C. :  United States Department of Agriculture,  1977 
 - 5 p. ;  27 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornamental trees<br/>Street trees
<br/><br/><label>Dewey Class. No.: </label>635.977