TY - BOOK AU - Marker, Alexander, ed. TI - Properties and Characteristics of Optical Glass T2 - Proceedings of SPIE; V. 0970 SN - 9780819400055 (Print) PY - 1989/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0970 ER -