Knutson Lloyd Ed. <br/><br/>
Biotic diversity and germplasm preservation,global imperatives. 

 -  1989 
<br/><br/><label>Standard No.: </label>24632 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:52(J), M9