J. Dunlap, M. Blouke, E. Bodegom, and R. Widenhorn. Sensors, Cameras, and Systems for Industrial and Scientific Applications, volume 8298 of SPIE Proceedings, page 82980F. SPIE, (2012)
J. Dunlap, E. Bodegom, and R. Widenhorn. Sensors, Cameras, and Systems for Industrial, Scientific, and Consumer Applications, volume 7875 of SPIE Proceedings, page 78750H. SPIE, (2011)