TY  - BOOK
AU  - Hagel, John III
AU  - Singer, Marc
TI  - Net worth: shaping markets when customers make the rules
SN  - 9780875848891
U1  - 658.8  HAG-N 
PY  - 1999///
CY  - USA
PB  - Harvard Business School Press
KW  - Online information services; Consumers--Information services
ER  -