Dobson, Michael. <br/><br/>
Ecology of aquatic systems /  
by Michael Dobson. 
 - 2nd ed. 
 - New Delhi :   Oxford University Press ,   2008. 
 - xi, 321p. :   ills. ;   24cm 
<br/><br/><label>ISBN: </label>9780199297542  Pound 26.99 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577.6  / DOB/E