000 00475nam a22001817a 4500
003 OSt
005 20210127130154.0
008 210127b ||||| |||| 00| 0 eng d
020 _a0026771128
040 _cATU
050 _aTk5101
_b.Sa5 1991
100 _aSanders, Mark
_911461
245 _aCommunication technology:
_btoday and tomorrow/
260 _aNew York
_bMacmillan/mcGraw-Hill
_c1991
300 _a390p. :
_bill. ;
504 _aIncludes index
942 _2lcc
_cBOOK
999 _c5944
_d5944