000 00348nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
041 _aENG
100 _aAGGARWAL, AMARJEET
245 0 _aELECTRONICS & COMMUNICATION ENGINEERING ( OBJECTIVE TYPE)
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1991
300 _aVI; 489
942 _2ddc
999 _c56731
_d56731