TY  - BOOK
AU  - Winston, Roland, ed.
TI  - Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI
T2  - Proceedings of SPIE; V. 7423
SN  - 9780819477132 (Print)
PY  - 2009///
CY  - Washington, USA
PB  - SPIE
UR  - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7423
ER  -