Genetic vulnerability of major crops 

 - Washington, D.C  National academy of sciences  1972 
 - 307p.  Colored illustrations 
<br/><br/><label>ISBN: </label>0309020301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant genetics
<br/><br/><label>LC Class. No.: </label>SB 731  / .N38 1972