TY - CHAP A1 - Döhring, Thorsten A1 - Hartmann, Peter A1 - Morian, Hans F. T1 - Optical glasses and glass ceramics for large optical systems T2 - Proceedings of SPIE KW - Zerodur KW - Glaskeramik Y1 - 2003 VL - 4842 SP - 56 EP - 66 ER - TY - JOUR A1 - Döhring, Thorsten A1 - Morian, Hans F. T1 - An eye on the sky JF - GLASS - Monthly Journal of the European Glass Industry KW - Glas Y1 - 2000 VL - 2000 IS - 77 SP - 370 EP - 371 ER -