000 00294nam a2200121Ia 4500
008 201224s9999||||xx |||||||||||||| ||und||
020 _a81-7808-655-7
100 _aGarg V K
_92824
245 0 _aPrinciples and applications of GSM
260 _aDelhi
_bPearson
_c1999
500 _a481
942 _cBK
999 _c5516
_d5500