000 00389pam a2200157a 44500
008 230515b0 xxu||||| |||| 00| 0 eng d
020 _a1992-02-14
041 _aNULL
082 _a"""621.38153 / PET
100 _aINTRODUCTION TO SWITCHING THEORY AND LOGICAL DESIGN(HP)
245 _aNULL
250 _a
260 _aNULL
_bPETERSON G.R. &HILL F.K
_c0
300 _a0
650 _a300.3
999 _c624683
_d624683