Etherington, John R. <br/><br/>
Wetland Ecology 
The Institute of Biology's Studies in Biology  
 - London  Arnold -Heinemann  1983 
 - 66 
<br/><br/><label>Publisher. No.: </label> Veena Book Centre 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science