TY  - BOOK
AU  - Singh, Nagendra Kumar
TI  - Encyclopedia of the World Scientists ; Vol. 1 (A to B)
SN  - 8176485608
U1  - 509.203 SIN 
PY  - 2004///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Scientists encyclopaedia
ER  -