000 00388 a2200145 4500
020 _a0195178637
082 _a621.38
_bFOR
090 _c14692
_d21881
100 _aFortney, Llory R.
245 _aPrinciples of electronics analog and digital
260 _aNew York
_bOxford university
_c1987
_g1987
300 _axix,632p.
_c24cm
650 _aEmployee health safety welfare
942 _cPR
999 _c42860
_d42860