TY  - BOOK
AU  - Aggrawal, R.S.  .
TI  - Modern approach to non vebal reasoning / 
SN  - 81-219-0553-2
U1  - S:44 
PY  - 2001///
CY  - New Delhi : 
PB  - S.Chand & Co. Ltd. , 
KW  - Symbols
ER  -