000			00639nam a2200205 4500
001			0000004714
008			231029s9999 xx 000 0 und d
020	0	0	_a0029461723 _cRM80.50
040			_aPOLIMAS
090	0	0	_a004.6 _bSTA
100	0	0	_aStallings, William
245	0	0	_aBusiness data communications / _cWilliam Stallings
260	0	0	_aNew York _bMacmillan _c1990
300	0	0	_axviii, 796p. _bill. _c24cm.
500	0	0	_aIncludes index
650	0	0	_aBusiness _xCommunication systems _xData processing
650	0	0	_aBusiness _xData processing
650	0	0	_aData transmission systems
650	0	0	_aLocal area networks (Computer networks)
999			_c14112 _d14112