TY  - BOOK
AU  - A.B. Mohankumar, K.S. Chandran 
AU  - Hariharaputhran, Aranmula
TI  - Brainbox 21st Century Book of Knowledge 
U1  - 001 
PY  - 1998///
CY  - Trivandrum
PB  - Universal Press and Publications
KW  - Generalities
KW  - General Knowledge
ER  -