TY  - BOOK
AU  - Toffler,Alvin
TI  - Powershift: knowledge, wealth and violence at the adge of the 21st century 
SN  - 7678300599
PY  - 1990///
CY  - New York
PB  - Bantam Books
KW  - Social change
N1  - Bibliography : page 471-501
ER  -