TY  - BOOK
AU  - Shapiro,Carl
AU  - Varian,Hal R.
TI  - Information rules: a strategic guide to the network economy 
SN  - 087584863X
AV  - HC79 .I55S53 1999
U1  - 658.4038 
PY  - 1999///
CY  - Boston
PB  - Harvard Business School Press
KW  - Information technology
KW  - Economic aspec Information society
ER  -