000			003040000a22001330004500
245			_aPrinciples of electronic technology
100			_aWeick, C.B.
260			_aToronto _bMcGraw Hill of Canada _c1969
300			_a388 p.
500			_adiagrams
080			_a621.38 _bW4
041			_aEN
942			_cBK
999			_c94706 _d94706