000			00354nam a2200145Ia 4500
008			180710s9999 xx 000 0 und d
020			_a248107
082			_a621.38132 _bORT
100			_aOrton, J.W.
245			_aMaterial for the gunn effect
260			_aLondon _bMills & Boon _c1971
300			_a72 p.
650			_aElectronic circuits
942			_cS
999			_c70989 _d70989