00857nam0-22003131i-450-99000052417040332120091110131908.00-471-96826-9000052417FED01000052417(Aleph)000052417FED0100005241720020821d1997----km-y0itay50------baengfrea-------001yyGSM cellular radio telephonyJoachim TisalChichesterWiley©1997IX,178 p.ill.23 cmtit. orig.: Le radiotéléphone cellulaire GSM, 1995.Telefonia mobileGSM621.3845'6'0218Tisal,JoachimITUNINARICAUNIMARCBK99000052417040332110 E II 558DIE 1665DINELDINELUNINA