000			00348nam a2200145Ia 4500
005			20241122224213.0
008			241122s9999||||xx |||||||||||||| ||und||
041			_aEnglish
082			_a004.7 _bNAR
100			_aNarang, Nishit
245		0	_a2G mobile networks : GSM and HSCSD
260			_bTata McGraw-Hill _c2007
300			_a351p.
942			_cBK
999			_c1004 _d1004