000 00316nam a2200121Ia 4500
008 160710s1957 xx 000 0 und d
082 _a510.78 RIC
100 _aRICHARDS,R.K
245 _aDIGITAL COMPUTER COMPONENTS AND CIRCUITS
260 _bD. VAN NOSTRAND COMPANY, INC.
_c1957
300 _a511
942 _2ddc
_cB
999 _c23662
_d23662