TY  - BOOK
AU  - Narula, Ravi
TI  - Brain tseaers
SN  - 81-7224-031-7
U1  - 153.9 
PY  - 1976///,
CY  - Delhi
PB  - Jaico Pub.
KW  - Lateral thinking puzzles
KW  - Brain
ER  -