TY - CONF AU - Shaw, Ping-Shine AU - Hum, Lindsay AU - Li, Zhigang AU - Lykke, Keith AU - Bishop, Michael C2 - Proceedings of SPIE, Defense, Security, and Sensing 2009, Orlando, FL DA - 2009-05-08 LA - en M1 - 7304 PB - Proceedings of SPIE, Defense, Security, and Sensing 2009, Orlando, FL PY - 2009 TI - Ultraviolet degradation study of photomultiplier tubes at SURF III UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902573 ER -