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Author/Creator
- SPIE Digital Library42
- Society of Photo-Optical Instrumentation Engineers24
- Society of Photo-optical Instrumentation Engineers16
- Siegmund, Oswald H. W.10
- SpringerLink (Online service)8
- European Southern Observatory7
- American Astronomical Society5
- DFM Engineering5
- Gummin, Mark A.5
- International Commission for Optics5
- Fineschi, Silvano3
- North American Remote Sensing Industries Association3
- American Society for Photogrammetry and Remote Sensing2
- Astronomical Society of the Pacific2
- Bely, Pierre-Yves2
- Breckinridge, Jim B. (Jim Bernard), 1939-2
- Canadian Astronomical Society2
- Hoover, Richard B.2
- Kibrick, Robert I.2
- Lewis, Hilton2