TY  - BOOK
AU  - Spangenburg,Ray
AU  - Moser, Diane Kit
TI  - Modern science
SN  - 8130900661
U1  - 509 
PY  - 2006///
CY  - New Delhi
PB  - Viva Books
KW  - Science
KW  - History
N1  - Vol 4 : 1896-1945
ER  -