TY  - BOOK
AU  - Ehlers,Victor M.
AU  - Steel,E.W.
TI  - Municipal an rural sanitation
T2  - McGraw-Hill series in sanitary science and water resources engineering
AV  - RA425 E5 1958
PY  - 1958///
CY  - New York
PB  - McGraw-Hill
KW  - Ingeniería sanitaria
KW  - Saneamiento
KW  - Salud rural
KW  - Salud pública
ER  -