000 00329nam a2200145Ia 4500
100 _aGraf R.F.
942 _cBK
654 _aEncyclopedia electronics
245 _aEncyclopedia of Electronic Circuits
260 _bB.B.P.
_aNew Delhi
_c1989
082 _a621.38103 GRA
300 _a760
546 _aENGLISH
999 _c32148
_d32148