000 00309nam a2200121Ia 4500
008 220201s1983 xx 000 0 eng d
041 _aENG
100 _aHARTLEY JOHN
245 0 _aDIGITAL COMPUTER ELECTRONICS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1983
300 _a337
942 _2ddc
999 _c59530
_d59530