Etherington, John R <br/><br/>
Environment and plant ecology 

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 - New Delhi  Wiley Eastern  1976 
 - xii,347p   
<br/><br/>  Bibliog. P. 309-338 
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<br/><br/><label>Subjects--Index Terms: </label>Enviroment  Environment  Ecology  Environmental movement  Environmental policy  Environmental production  pesticides  Plant ecology 
<br/><br/><label>Dewey Class. No.: </label>581.5