TY  - BOOK
AU  - Bedi, Yash Pal
AU  - 
TI  - Handbook of hygiene and public health
U1  - 614(02) 
PY  - 1974///
CY  - Delhi
PB  - Atmaram
KW  - Public health
KW  - Environmental health
KW  - Pollution
KW  - Hygiene
KW  - Health
ER  -