000 00290nam a2200109Ia 4500
999 _c882
_d882
100 _aFunke J
245 _aGas Discharge Lamps:Principles Characteristics Applications
260 _c1951
_aNetherlands
_bN.V.Philips'Gloeilampenfabrieken
300 _axvi+270
700 _aOranje PJ
942 _cBK