000 00624nam a22002177a 4500
005 20200826153411.0
008 180406b xxu||||| |||| 00| 0 eng d
020 _a81-7800-075-X
_c250.00
040 _aMAIN
041 _aEnglish
082 _bHOU/D
_2ed.2
_a621.38041
100 _aHousley, Trevor
245 _aData communications and teleprocessing systems
_cTrevor Housley
250 _a2nd ed
260 _aHyderabad
_bB.S. Publications
_c1987
300 _axvi, 474p.
_c25 cm.
500 _aIncludes index.
650 _a1. ELECTRICAL AND COMMUNICATION ENGINEERING
710 _cRef. stack- 7-[R-5]
942 _cBK
999 _c2670
_d2670