000 00331nam a2200133Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aSUSHIL, KUMAR
245 0 _aRADIO ENGINEERING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _aV; 480
700 _aMITTAL, RAVI
942 _2ddc
999 _c56257
_d56257