TY - CHAP A1 - Altmann, Jürgen A1 - Egle, Wilhelm J. A1 - Hafner, Wolfgang A1 - Derst, Gerhard A1 - Matthes, Axel A1 - Döhring, Thorsten T1 - Fabrication of a demonstration mandrel for ESA's XEUS mirror development program T2 - Proceedings of SPIE KW - Röntgenteleskop Y1 - 2000 VL - 4012 SP - 559 EP - 566 ER -