@book{25231,
	author = {Andersen, Torben, ed.},
	title = {Extremely Large Telescopes: Which Wavelengths? Retirement Symposium for Arne Ardeberg},
	publisher = {SPIE},
	year = {2008},
	series = {Proceedings of SPIE; V. 6986},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6986}
}