TY  - BOOK
AU  - Frank, Christine.
AU  - Rinvolucri, Mario.
AU  - Berer, Marge.
TI  - Challenge to think
SN  - 0194532518
U1  - 418 FRA 
PY  - 1984///
CY  - London, New York, Toronto
PB  - Oxford University Press
ER  -