TY  - BOOK
AU  -  Davis, J. R. Ainsworth.
TI  - encyclopaedia of scientifie developments inventions and discoveries.
SN  - 8186505156
U1  - 509.03 
PY  - 1996///
CY  - New Delhi
PB  - Bhavana books & prints,
KW  - enEcyclopaedia
ER  -