Scheffer, Theodore C. <br/><br/>
The effect of certain heart rot Fungi on the specific gravity and strength of sitka spruce and douglas-fir  / 
by Theodore C. Scheffer, Wilson, T. R.C. and R.F. Luxford 
 - Washington :   Department of Agriculture 
 - 24 p. 
 - Technical bulletin; 779 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>206289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abeto -- plagas <br/>Cultivos -- enfermedades <br/>Pseudotsuga Douglasii
<br/><br/><label>Dewey Class. No.: </label>PA-C 632.3 B85