TY  - BOOK
AU  - Varian Hal R
AU  - Farrell Joseph
AU  - Shapiro Carl
TI  - Economics of information technology: an introduction
SN  - 0-521-60521-0
U1  - 338.47004 
PY  - 2004///
CY  - Cambridge
PB  - CUP
KW  - Computer industry
KW  - Information technology-economic aspects
ER  -