About KOYAMA YUICHIRO
About IRIKURA TAKASHI
About 照明学会東京支部大会講演論文集
About ceiling
About interior lighting
About dwelling house
About light source
About color temperature
About illuminance
About electroluminescence
About organic semiconductor
About living room
About lighting condition
About atmosphere(environment)
About environmental impact
About 光天井
About Lighting in general and theory
About 天井
About 照明
About 住宅
About 居間
About 雰囲気
About 評価
About 模様
About 室内