Woody-plant Seed Manual. Miscellaneous Publication No. 654 

 - Washington D.C.  U. S. Department of Agriculture  1948 
 - 416 
<br/><br/><label>Subjects--Index Terms: </label>WOODY SEED LIGNOSES MANUAL PROPAGATION 
<br/><br/><label>Dewey Class. No.: </label>634.9