%A Sekine, Seishi %T Can the Efficacy of the Incandescent Source be Improved in How Far? : Microcavity Lamp and Cluster Source(130Years of History and the Future of the Incandescent Lamp) %J Journal of the Illuminating Engineering Institute of Japan %0 Journal Article %@ 00192341 %I The Illuminating Engineering Institute of Japan (IEIJ) %D 2010 %8 2010-06-01 %V 94 %N 6 %P 325-331 %U http://ci.nii.ac.jp/naid/110007619600/en/ %R