TY  - BOOK
AU  - Summers, George, J.
AU  - Friedman, Arthur
TI  - Mind teasers: logic puzzles & games of deduction
T2  - Overcoming common problems
U1  - 155.671 
PY  - 1987///
CY  - Delhi
PB  - Sudha
KW  - Adult Psychology
KW  - Differencial Psychology
ER  -