TY  - BOOK
AU  - Williams Kenneth
AU  -  Gaskell Mark
TI  - Teacher's guide :  the cosmic calculator
T2  - India's scientific heritage
SN  - 8120818717 (pbk)
U1  - B0aQ1, P5 
PY  - 2005///
CY  - Delhi
PB  - Motilal Banarsidass India     
KW  - MATHEMATICS
ER  -