TY  - BOOK
AU  - Mackay, Charles
AU  - Fridson, Martin S.
AU  - Extraordinary popular delusions and the madness of crowds and confusion de confusiones
TI  - Extraordinary popular delusions and the madness of crowds and confusion de confusiones 
SN  - 0471133094
PY  - 1996///
CY  - New York 
PB  - John Wiley & Sons 
KW  - Saving and investment
N1  - Includes references
ER  -