THE ESTIMATION OF DIRECT SOLAR RADIATION FROM GLOBAL RADIATION
水平面全天日射量観測値よりの直達日射量の推定

MITSUHIRO UDAGAWA, KENICHI KIMURA
1978 Transactions of the Architectural Institute of Japan  
doi:10.3130/aijsaxx.267.0_83 fatcat:z6zh4as2xfdn5kbljmv34m3mra