TY - BOOK AU - Zhang, Yudong, ed. TI - 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes T2 - Proceedings of SPIE; V. 6148 SN - 9780819461872 (Print) PY - 2006/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6148 ER -