TY  - BOOK
AU  - Ramaraju, A R
AU  - 
TI  - Cuznilaichirkketu
U1  - 614.7=T 
PY  - 1974///
CY  - Coimbatore
PB  - Mercury
KW  - Chemical Pollution
KW  - Environment pollution
KW  - Pollution
KW  - Air pollution
KW  - Marine pollution
KW  - Noise pollution
KW  - Pollution control industry
KW  - Radioactive pollution
KW  - Water pollution
KW  - Space debris
KW  - Environmental health
KW  - Human influence on nature
KW  - Public health
KW  - sanitary engineering
KW  - sanitation
ER  -