TY  - BOOK
AU  - Ainsworth Davis (Ed.)
TI  - Encyclopedia of scientific developments inventions and discoveries
SN  - 81-86505-15-6
U1  - 503 21st
PY  - 1996///
CY  - New Delhi
PB  - Bhavana Books and Prints
KW  - Inventions-Encyclopedias
ER  -