00728nam a2200217 a 4500001001400000003000700014005001700021008004100038020001500079040000800094100001900102245011500121260004600236300002900282650002200311650003000333650002400363650003500387700002300422856006500445vtls000015098KUKTEM20251117144144.0060814                       000 0 eng d  a0521828430  aUMP1 aSharma, Chetan10aWireless data services :btechnologies, business models and global markets /cChetan Sharma, Yasuhisa Nakamura  aCambridge :bCambridge Univ. Press,c2003  a361 p. :bill. ;c26 cm. 0aTelecommunication 0aTechnological innovations 0aElectronic commerce 0aWireless communication systems1 aNakamura, Yasuhisa42ahttp://www.loc.gov/catdir/description/cam032/2003043594.html