000 00527nam a2200193 4500
001 3031/89
003 KEPU
005 20130813101721.0
008 111112s9999 xx 000 0 und d
020 _a0 906048 46 x
040 _cDLC
050 _aTK6392
_b.W37 1979
100 1 _a"welch, s . "
245 1 0 _asignalling in telecommunications networks:
_b/
_c s.. welch
250 _a1 ed.
260 _auk :
_bpeter peregrinus
_c1979.
300 _a"ix, 385p.;
_c21 cm."
942 _2lcc
_cBK
_hTK6392.W37 1979
999 _c54038
_d54038