TY  - BOOK
AU  - Shapiro, Carl., author.
AU  - Varian, Hal R.,author.
TI  - Information rules : : a strategic guide to the network economy / 
SN  - 087584863
U1  - DC 658.4038 1999
PY  - 1999///
CY  - Boston, Mass. : 
PB  - Harvard Business School Press, 
KW  - Information technology
KW  - Economic aspects
KW  - Information society
N1  - Includes bibliographical references and index
ER  -