000			00293nam a2200133Ia 4500
008			191031s9999 xx 000 0 und d
100			_aMorris
245		0	_aEssentials of radio electronics
260			_bmcgraw hill
260			_c1961
365			_b30.75
500			_aw.o
942			_cBK
999			_c196046 _d196046