Direct normal irradiance related definitions and applications: The circumsolar issue

Autor: Blanc, P., Espinar, B., Geuder, N., Gueymard, C., Meyer, R., Pitz-Paal, R., Reinhardt, B., Renné, D., Sengupta, M., Wald, L., Wilbert, S.
Zdroj: In Solar Energy December 2014 110:561-577
Databáze: ScienceDirect