00441nam a2200121Ia 4500008004100000024003600041082002100077100004600098245008200144260002600226600003400252650003300286260210s9999    xx            000 0 und d  a05B-066-TE & 05B-081-TE  a621.38456072 WAJ  aMuhammad Rehan Bhatti & Shoaib Yousuf 0aStudy and Simulation of GSM Architecture & Evolution in GSM from 2G to 3G  aKarachi:bUITU,c2005  aTelecommunication Engineering  aBachelor of Engineering (BE)