TY - BOOK AU - Arecchi, Angelo, ed. TI - Photometric Engineering of Sources and Systems T2 - Proceedings of SPIE; V. 3140 SN - 9780819425621 (Print) PY - 1997/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3140 ER -