TY - BOOK AU - Siegmund, Oswald H. W ED - SPIE Conferene on EUV, X-ray and Gamma-ray Instrumentation for Astronomy IX TI - EUV, x-ray and gamma-ray instrumentation for astronomy IX: proceedings of SPIE conferene on EUV, x-ray and gamma-ray instrumentation for astronomy IX, held in San Diego, California, 22 - 24 July 1998 T2 - SPIE proceedings series; vol. 3445 SN - 0-8194-2900-7 PY - 1998/// CY - Washington PB - The International Society for Optical Engineering KW - Instrumentation KW - Spectroscopy KW - X-Ray ER -