TY  - BOOK
AU  - Manivasakam; N.
TI  - We breathe and drink posion(environmental pollution)
SN  - 81-237-1488-2.
U1  - 614.71 M31W 
PY  - 1995///
CY  - New Delhi
PB  - National book trust
KW  - Home Science
ER  -