00351nam a2200133Ia 4500008004100000020001800041100004400059245004800103250000600151260002100157260000900178300000800187650002200195221231s9999    xx            000 0 und d  a81-315-0135-3  aAgrawal, Dharma Prakash., Zeng, Qing-An 0aIntroduction to Wireless and Mobile Systems  a2  bCengage Learning  c2006  a498  aTelecommunication