000 00387nam a2200145Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a81-203-0771-2
082 _a621.382 MAR
100 _aMartin, James
245 0 _aTelecommunication and the computer
250 _a3rd
260 _aPrentice hall of india
_bNew Delhi
_c1990
300 _b295
650 _aTELECOMMUNICATION
999 _c165845
_d165845