000 00264nam a2200109Ia 4500
020 _a8185095876
100 _aBrewster R L
245 _aTelecommunications Technology
260 _c1988
_bAFFILIATED EAST WEST PRESS PVT LTD
_aNew Delhi
300 _a200
942 _cBK
999 _c21637
_d21637