000 00349pam a2200157a 44500
008 230515b1989 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aDouglas V. Hall
245 _aDigital Circuits & System
250 _a0
260 _aNULL
_bMcgraw Hill
_c1989
300 _a554
650 _aNULL
999 _c570769
_d570769