Jahn H M  Ed <br/><br/>
Contributions to Lichenology Beit rage zur Lichenologie in Honour of A Henssen Festschr A Henssen  Vol 38 

 -  J Crammer, Berlin 
 - pp 427;   22*14 
<br/><br/><label>Dewey Class. No.: </label>I27/N90.38/B19215