TY - RPRT TI - Structural Analysis of a 50 cm Diameter Open-back Triangular Cell Beryllium Mirror in a Cryogenic Environment AU - Craig, Larry AU - Smithers, Martin AU - Nein, Max AU - Hadaway, James AU - Throckmorton, D. A. PY - 2001 UR - https://ntrs.nasa.gov/citations/20020021910 ID - 20020021910 ER -