TY  - BOOK
AU  - Kumudamani, K. Ed. Kuppuram, G. Editor
TI  - History of science and technology in India. V.12. Environment and ecology
U1  - 509.54 
PY  - 1990///
CY  - Delhi
PB  - Sundeep prakashan
KW  - Technology-History
KW  - Science-History
KW  - Science-India
ER  -