Gupta , P K. <br/><br/>
Methods in environmental analysis watersoil and air 

 - Jodhpur :  Agrobios,  1994 
 - 408. 
<br/><br/><label>ISBN: </label>8177540556  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628.3  / GUP