00355nam a22001217a 4500008004100000041001400041100002500055245006700080260001800147300001200165952004300177999001300220260324b |||||||| |||| 00| 0 eng d aEspañol aLuis Joyanes Aguilar aCibersociedad, Los retos sociales ante un nuevo mundo digital. bWhittenc1997 a337p. : aBIBLCUNORIbBIBLCUNORIyLIBRO FÍSIa c740d740