Richardson, D. H. S. (David H. S.) <br/><br/>
The vanishing lichens :  their history, biology and importance / 
D.H.S. Richardson. 
 - Newton Abbot [England] :  David & Charles,  [1975] 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 203-[222]. 
<br/><br/><label>ISBN: </label> L.5.25 
<br/><br/><label>LCCN: </label>75306530 //r852 
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens.
<br/><br/><label>LC Class. No.: </label>QK583  / .R52 1975 
<br/><br/><label>Dewey Class. No.: </label>589/.1