TY - CHAP A1 - Jedamzik, Ralf A1 - Hengst, Joachim A1 - Elsmann, Frank A1 - Lemke, Christian A1 - Döhring, Thorsten A1 - Hartmann, Peter T1 - Optical materials for astronomy from SCHOTT: the quality of large components T2 - Proceedings of SPIE KW - Spiegelteleskop Y1 - 2008 VL - 7018 IS - 70180O ER -