000 00353pam a2200157a 44500
008 230515b1986 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a621.395 /LEA
100 _aLEACH D .P.
245 _aEXPERIMENTS IN DIGITAL PRINCIPLES
250 _a3
260 _aNULL
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_c1986
300 _a200 PB
650 _aNULL
999 _c625809
_d625809