The document by Riccardo Rigon and F. Lelong discusses the Valdisella solar radiation and includes various tables of symbols related to solar radiation. It also covers the projection of radiation onto inclined surfaces and the geometry of radiation. Overall, it provides essential information for understanding solar radiation concepts.

1. Riccardo Rigon
IlSole,F.Lelong,2008,ValdiSella
Solar Radiation
Table of Symbols

2. R. Rigon
Table of symbols
2

3. R. Rigon
3
Table of symbols

4. R. Rigon
4
Table of symbols

5. R. Rigon
Projection of radiation onto an
inclined surface
5

6. R. Rigon
The geometry of radiation
6