000 00312nam a22001457a 4500
003 SGT
020 _a9789339203405
082 _bLEA
100 _aLEACH DONALD P.
245 _aDIGITAL PRINCIPLES AND APPLICATIONS
250 _a8TH
260 _bMC GRAW HILL
_c2017
300 _a705
942 _2ddc
_cBK
_012
999 _c16425
_d16425