000 00464nam a2200181Ia 4500
001 54971
008 140505s9999 xx 000 0 und d
020 _a9780805391045
040 _cPK-LaUMT
082 _aMAL 004.6
_bSTA-B
100 _aStamper, David A.
245 _aBusiness data communications
_cStamper, David A.
260 _aCalifornia,USA:
_bBenjamin,
_c1986
300 _a456 p.
546 _aEN
650 _aData transmission systems
942 _cBK
999 _c52327
_d52327