Hubbes, Martin. <br/><br/>
Host-parasite in the Hypoxylon canker of aspen 

<br/><br/> Sobretiro de : Breeding Pest-Resistant Trees Proc. NATO and NSF Symp. Pennsylvania State Univ. 1964. Oxford, Pergamon Press, 1966 pp. 229-238 
<br/><br/><label>LCCN: </label>16710 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hypoxylon.<br/>Populus tremuloides.