000 00322nam a2200133Ia 4500
100 _aGUREKLCH, NATHAD
020 _a0-07-112930-8
365 _cRS
365 _d1
942 _cENGBK
245 _aCommunication systems Practical Guide To NTEL connectivity
260 _bThe Graw- hill
_c1992
_aLONDON
300 _axv+344pp
999 _c10038
_d10038