000 00259nam a2200121Ia 4500
005 20250211190727.0
082 _a510.783 RIC
100 _aRICHARDS,R.K
245 _aDIGITAL DESIGN
260 _bJOHN WILEY
_c1971
_aNEW YORK
300 _a577
942 _2ddc
_cB
999 _c36061
_d36061