Schalck, R. (2019). The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping, 2019 Update. SPIE. https://doi.org/10.1117/3.2518746
Chicago-viite (17. p.)Schalck, Robert. The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping, 2019 Update. SPIE, 2019. https://doi.org/10.1117/3.2518746.
MLA-viite (8. p.)Schalck, Robert. The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping, 2019 Update. SPIE, 2019. https://doi.org/10.1117/3.2518746.
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