000 00290pam a2200121a 44500
010 _a60012864
082 _a510.7834
_bIR9D
100 _aIrwin, Wayne C.
245 1 _aDIGITAL COMPUTER PRINCIPLES
260 _a
_bD. Van Nostrand Company, Inc.
_c1960
964 _gCIRC
997 _a39269 C
999 _c409505
_d409505