KALBERMATTEN,JOHN <br/><br/>
APPROPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION;A SUMMARY OF TECHNICAL AND ECONOMIC OPTIONS 

 - WASHINGTON,DC  THE WORLD BANK  1980 
 - 36P. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER SUPPLY
<br/><br/><label>LC Class. No.: </label>TD 215  / .K35 1980