Ahmadjian Vernon <br/><br/>
Lichen symbiosis 

 - Waltham  Blaisdell Publishing          1967 
 - viii, 152p.  cm. 
 - Blaisdell book in the pure and applied sciences .
<br/><br/><label>Standard No.: </label>50989 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Lichen<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I27:567, K7;1