@book{31654,
	author = {Riedl, Max, ed.},
	title = {Reflective and Refractive Optical Materials for Earth and Space Applications},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1485},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1485}
}