Sinha, R K <br/><br/>
Environmental Science:Hazardous Gas and Hazardous Waste 

 - Delhi  Commonwealth Pub  2000 
<br/><br/><label>Subjects--Uniform Titles: </label>--Post Graduate Reference
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment--Chemistry
<br/><br/><label>Dewey Class. No.: </label>628.42  / SIN-E