@book{31656,
	author = {Korsch, Dietrich, ed.},
	title = {Reflective Optics II},
	publisher = {SPIE},
	year = {1989},
	series = {Proceedings of SPIE; V. 1113},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1113}
}