000			00444nam a2200169Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a8170290120
082			_a621.38412 _bGRA
100			_aGraf, Rudolf F. _926279
245			_aThe encyclopedia of electronic circuits
260			_bBPB pub, _c1989. _aNew Delhi :
300			_a760p.; _c23cm
650			_aEngineering
650		0	_aEncylopedia _912207
942			_2ddc _cSR
999			_c34294 _d34294