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 .
0113202547
Water--Microbiology.
Water Microbiology.
0113202547
Water--Microbiology.
Water Microbiology.