TY - BOOK AU - Jiang, Wenhan, ed. TI - 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes T2 - Proceedings of SPIE; V. 7281 SN - 9780819475411 (Print) PY - 2009/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7281 ER -