@book{13816,
	author = {Siegmund, Oswald H. W and SPIE Conferene on EUV, X-ray and Gamma-ray Instrumentation for Astronomy IX},
	title = {EUV, x-ray and gamma-ray instrumentation for astronomy IX},
	publisher = {The International Society for Optical Engineering},
	year = {1998},
	series = {SPIE proceedings series; vol. 3445},
	address = {Washington}
}