Small water supplies. 

 - London :    Ross Institute of  Information and Advisory Service,    1978- 
 - v. :    ill. ;    21 cm. 
 - no. 10 ( January 1978 )- 
<br/><br/>  Latest issue consulted: No. 10 ( January 1978 ), Revised in  ( June 1978 ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water -- Periodicals.<br/> Water Supply -- Periodicals.
<br/><br/><label>National Library of Medicine Call No.: </label>WA 675   /  Sm18