The bacteriological examination of water supplies / 
Department of Health and Social Security, Welsh Office and the Ministry of Housing and Local Government. 
 - 4th ed. 
 - London :  H.M.S.O.,  1969. 
 - viii, 52 p. :  ill. 
 - Reports on public health and medical subjects,  no. 71 .
<br/><br/><label>ISBN: </label>0113202547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Microbiology.<br/>Water Microbiology.