Mellanby, Kenneth. <br/><br/>
The new naturalist pesticides and pollution. 

 - London :    Collins,    1967. 
<br/><br/>Includes Bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Pollution -- Great Britain.<br/> Pesticides -- Environmental aspects -- Great Britain.
<br/><br/><label>Dewey Class. No.: </label>632.95