TY  - GEN
AU  - Chhatwal, G. R. (ed.)
TI  - Encyclopaedic history of science and technology : : history of Biology 
SN  - 8170418453
U1  - 503 
PY  - 1994///
CY  - New Delhi
PB  - Anmol Publications
KW  - Science-Encyclopedias
KW  - Technology-Encyclopedias
N1  - HB
ER  -