TY  - GEN
AU  - Tanaka, Masayuki
AU  - Nakajima, Teruyuki
TI  - Calibration of a sunphotometer by simultaneous measurements of direct-solar and circumsolar radiations
KW  - FOTOMETRIA SOLAR
KW  - RADIAÇÃO
KW  - 551.521
KW  - med
KW  - fre
KW  - 535.24
ER  -