Adds, John <br/><br/>
Exchange and transport, energy and ecosystems / 
John Adds, Erica Larkcom, Ruth Miller 
 - rev. ed. 
 - Cheltenham :  Nelson Thorne,  2004 
<br/><br/><label>ISBN: </label>0748774874  RM100.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Ecology, System