Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) muguruma yusuke and matsuda atuya and takubo syuji and motomura hideki and jinno masafumi,Development of Mercury Free Lamp Using External Electrode (DHEL),Proceedings of Annual Conference of The Illuminating Engineering Institute of Japan,,The Illuminating Engineering Institute of Japan,2005,38,0,138-138,https://cir.nii.ac.jp/crid/1390282680524151680,https://doi.org/10.11515/ieijac.38.0.138.0