TY  - GEN
AU  - Koshel, R John
TI  - Illumination engineering: design with nonimaging optics
SN  - 9780470911402
PY  - 2013///
CY  - New Jersey
PB  - John Wiley & Sons
KW  - Optical engineering
KW  - Lighting
KW  - Etendue
ER  -