Birdie, G.S. <br/><br/>
Water supply and sanitary engineering :  (including environmental engineering, water and air pollution laws and ecology) / 
by G. S. Birdie and J. S.Birdie. 
 - Nai Sarak, Delhi :  Dhanpak rai & Sons,  1992. 
 - 5th ed. xvi,979 p. :  ill. ;  21 cm. 
<br/><br/> [pages 1-4 missing.] 
<br/><br/><label>ISBN: </label>[   ] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary engineering.<br/>Water --Supply.