000 00320nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
041 _aENG
100 _aGRAY, B F
245 0 _aELECTRONICS : LEVEL I SYSTEMS AND PRACTICE
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1977
300 _a163
942 _2ddc
999 _c47514
_d47514