Silvics of forest trees of the United Nation 
/ U S Department of Agriculture 
 - Washington D C:    U S Department of Agriculture,   1965 
 - vi, 760p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Forest trees 
<br/><br/><label>Universal Decimal Class. No.: </label>634.9.2(73)  / K5