000			003110000a22001330004500
245			_aDescriptive electronics
100			_aHuffsey, R.R.
100			_aHuffsey, C.A.
260			_aNew York _bHolt Rinehart & Winston _c1970
300			_a365 p., ill.
080			_a621.38.01 _bH8
041			_aEN
942			_cBK
999			_c94731 _d94731