Papers on biosystematics in agricultures 

 - New York   John wiley       1978 
 - ix,340p.  cm. 
 - Beltsville symposia in agricultural research; 2 .
<br/><br/><label>Standard No.: </label>71190 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology taxonomy
<br/><br/><label>Dewey Class. No.: </label>G:11p73,N77, L8