000 00252nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSINCLAIR (IAN R)
245 0 _aBEGINNER'S GUIDE TO DIGITAL ELECTRONICS
260 _bNEWNESS TECH BOOKS
942 _2ddc
999 _c95290
_d95290