Effects of airborne suphur compounds on forests and freshwaters  a report of the discussion group of the department of the encironment and the national environment research council 

 -  1976 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Sulphur compounds-pollution<br/>Air pollution
<br/><br/><label>Dewey Class. No.: </label>628.53  / G72E