TY - BOOK AU - Ruda, Mitchell, ed. TI - Intl Conf on Nonimaging Concentrators T2 - Proceedings of SPIE; V. 0441 SN - 9780892524761 (Print) PY - 1984/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0441 ER -