Search
Search Constraints
You searched for: Author/Creator Pfiffner, Daniel- Pfiffner, Daniel [remove] 3
- 520 1
- 530.5 1
- 530.805 1
- Absolute radiometer, -- Sun, -- Total Solar Irradiance 1
- Astronomy -- Congresses 1
- Astronomy -- Periodicals 1
- Physics -- Congresses 1
- Weights and Measures -- Periodicals 1
- Weights and measures -- Periodicals 1
- solar irradiance -- satellite measurements -- electrical substitution radiometer -- cavity detector -- sun 1