TY  - BOOK
AU  - Scott Hopkins,Edward.
AU  - Edward Scott Hopkins
TI  - The practice of sanitation
U1  - 614 THE 1970 
PY  - 1970///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Salute Pubblica
N1  - Including index; fundamental concepts -- Food sanitation -- Urban water supply
ER  -