000 00293nam a2200109Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aGUPTA, M L
245 0 _aELECTRONICS AND RADIO ENGINEERING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1994
300 _a1252
942 _2ddc
999 _c60286
_d60286