TY  - BOOK
AU  - Winston, Roland, ed.
TI  - Nonimaging Optics: Efficient Design for Illumination and Solar Concentration IX
T2  - Proceedings of SPIE; V. 8485
SN  - 9780819492029 (Print)
PY  - 2012///
CY  - Washington, USA
PB  - SPIE
UR  - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8485
ER  -