@book{22487,
	author = {Schalck, Robert},
	title = {The Proper Care of Optics: Cleaning, Handling, Storage, and Shipping, 2019 Update},
	publisher = {SPIE},
	year = {2019},
	address = {Washington, USA},
	url = {https://doi.org/10.1117/3.2518746}
}