Bharadwaj D C & Awasthi D D Eds <br/><br/>
Biological Memoirs an International Journal Disciplines Lichenology Vol 1 Nos  1& 2 

 -  Internat Pub, Lucknow 
 - pp 155 to 229;   24*18 
<br/><br/><label>Dewey Class. No.: </label>I27/N76/B10198