00297nam a2200121Ia 4500008004100000041001200041082001100053100001900064245005900083250000900142260001600151650000800167221030s9999    xx            000 0 und d  aEnglish  a105.23  aHeena Khan/276 0aDigital  Cellular  Mobile  System Using  GSM standards  a2003  aJammuc2003  aECE