000 00467nam a22001817a 4500
003 NUST - PNEC
005 20170116181007.0
008 150912b xxu||||| |||| 00| 0 eng d
020 _a9780070141704
040 _cLIBRARY
082 _a621.3815 LEA
100 _98633
_a Leach, Donald P.
245 _aDigital principles and applications
_cDonald P. Leach
250 _a7th ed.
260 _c2011
650 _99084
_aDigital electronics
_xEL
942 _2ddc
_cBK
999 _c66917
_d66917