BREEDIND PEST-RESISTANT TREES  Proceeding of Advanced Study Institute on GENETIC IMPROVEMENT FOR DISEASE AND INSECT RESISTANCE OF FOREST TREES 
GERHOLD H.D., SCHREINER & McDERMOOT R.E. ,WINIESKI J.A. 
 - LONDON   PERGAMON PRESS  1966 
 - ix,505 p  hc  57 
<br/><br/><label>Dewey Class. No.: </label>634.95