Schalck, R. The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping. SPIE Digital Library.
Cita Chicago (17th ed.)Schalck, Robert. The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping. SPIE Digital Library.
Cita MLA (9th ed.)Schalck, Robert. The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.