Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IGAWA Norio and NAKAMURA Hiroshi and KOGA Yasuko and KOJO Shinya and FUJII Shunichi,ALL SKY MODEL FOR SKY LUMINANCE DISTRIBUTION OF ALL SKY CONDITIONS : A study on classification method of sky luminance distribution Part 3,Journal of Architecture and Planning (Transactions of AIJ),13404210,Architectural Institute of Japan,1998,63,508,1-8,https://cir.nii.ac.jp/crid/1390282679759167744,https://doi.org/10.3130/aija.63.1_6