TY  - BOOK
AU  - Nayar,K.R.
TI  - Ecology and Health: a systems approach  
SN  - 8176480193 :
U1  - 577 19
PY  - 1998///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Ecology
KW  - Spines
KW  - Health
N1  - ph
N2  - Health and Population
ER  -