000 00393nam a22001577a 4500
005 20220518143452.0
008 100810t xxu||||| |||| 00| 0 eng d
020 _a01322840014
082 _a621.395
_bUNG
100 _aUnger,Stephen H
245 _aThe essence of logic circuits
260 _aNew Jersey
_bPrentice Hall
_c1989
300 _axv,302p.
653 _alogic circuits
942 _cBK
999 _c224139
_d224139