000 00366nam a2200145Ia 4500
100 _aVarian, Hal R.
020 _a0-521-60521-0
500 _aEconomics
942 _cBK
245 _aEconomics of information technology : Introduction
260 _aNew York
_bCambridge University Press
_c2004
082 _a338.47004
_bVar
300 _ax,102
546 _aEnglish
999 _c424994
_d424994