TY  - BOOK
AU  - Ehlers, Victor M.
AU  - Steel, Ernest W.
TI  - Municipal and rural sanitation
U1  - 614.7 
PY  - 1958///
CY  - London
PB  - McGraw-Hill Book Company
KW  - Public health
KW  - Sanitary engineering
N1  - Includes index
ER  -