TY - BOOK AU - Chen, Philip, ed. TI - Optical Systems Contamination and Degradation II: Effects, Measurements, and Control T2 - Proceedings of SPIE; V. 4096 SN - 9780819437419 (Print) PY - 2000/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4096 ER -