TY  - BOOK
AU  - Ehlers, Victor Marcus
AU  - Steel, Ernest W.
TI  - MUNICIPAL AND RURAL SANITATION
U1  - 628 
PY  - 1958///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Sanitation
KW  - Sanitary Engineering
KW  - Hygiene, Public
ER  -