Hawksworth, D. L. <br/><br/>
Lichens as pollution monitors 
[by] David L. Hawksworth, Francis Rose 
 - London  Edward Arnold  1976 
 - [4], 60 p.  ill., maps  22 cm. 
 - Institute of Biology's studies in biology  no. 66 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens<br/>Plants, Effect of pollution on<br/>Plant indicators<br/>Pollution--Measurement<br/>Lichens--Great Britain<br/>Air--Pollution--Great Britain
<br/><br/><label>Dewey Class. No.: </label>589  / .1  / 045222