00361nam a2200157Ia 4500003000500000008004100005020001800046040001900064082000700083100001600090245002600106260004100132300001000173365000800183546001200191STCL230729s9999    xx            000 0 und d  a9788121931021  aSTCLcSTCLbEN  222  aKhanna, V K 0aDigital communication  bS Chand and CompanyaNew Delhic2003  a268 p  b150  aEnglish