Wadleigh, M A <br/><br/>
Tracing sources of atmospheric sulphur using epiphytic lichens.  [electronic resource] 

 -  Environmental pollution (Barking, Essex : 1987)  Sep 1999 
 - 265-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0269-7491 
<br/><br/><label>Standard No.: </label>10.1016/s0269-7491(99)00114-1  doi