B K Sharma And H Kaur,  <br/><br/>
Environemts Chemistry 

 - New Delhi  Vikas Publishing House  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--General stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences & mathematics--Physical chemistryZoology--Chemistry & allied sciences
<br/><br/><label>Dewey Class. No.: </label>541  / BKS-E