TY - CONF A1 - Friedrich, Peter A1 - Bräuninger, Heinrich W. A1 - Burkert, Wolfgang A1 - Döhring, Thorsten A1 - Egger, Roland A1 - Hasinger, Günther A1 - Oppitz, Andreas A1 - Predehl, Peter A1 - Trümper, Joachim Ernst T1 - X-ray tests and calibrations of the ABRIXAS mirror systems T2 - Proceedings of SPIE KW - Spiegelteleskop Y1 - 2019 UR - https://opus4.kobv.de/opus4-h-ab/frontdoor/index/index/docId/1236 VL - 3444 SP - 369 EP - 379 ER -