Kamala, A <br/><br/>
Environmental engineering:  water supply sanitary engineering and pollution/ 

 - New Delhi  Tata McGraw-hill  1988 
 - vii, 271p. :  ill. ; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0074517082 
<br/><br/><label>LC Class. No.: </label>TD345  / .K12 1988