Singh, Ayodhya <br/><br/>
Text Book of Environmental Chemistry 

 - New Delhi  Campus Books  2000 
 - 515p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--EcologyPost Graduate Reference
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences--BiologyChemistry
<br/><br/><label>Dewey Class. No.: </label>577.14  / SIN-T