TY  - BOOK
ED  - Estados Unidos.
TI  - Manual for evaluating public drinking water supplies: a manual of practice recommended by the Public Health Service 
T2  - Public Health Service publication
AV  - RA591 M53
U1  - 614/.772 
PY  - 1969///
CY  - Cincinnati, Ohio
PB  - Environmental Control Administration, Bureau of Water Hygiene
KW  - Agua potable
KW  - Estados Unidos
ER  -