著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Christian A. Gueymard,"Prediction and validation of cloudless shortwave solar spectra incident on horizontal, tilted, or tracking surfaces",Solar Energy,0038-092X,Elsevier BV,2008-03,82,3,260-271,https://cir.nii.ac.jp/crid/1360298345445490688,https://doi.org/10.1016/j.solener.2007.04.007