000 00292pam a2200121a 44500
010 _a60012864
082 _a510.78
_bIR9D COP.2
100 _aIrwin, Wayne C.
245 1 _aDIGITAL COMPUTER PRINCIPLES
260 _a
_bD.Van Nostrand Company, Inc.
_c1960
964 _gCIRC
997 _a6728 C
999 _c409270
_d409270