@conference{10976, author = {Ping-Shine Shaw and Lindsay Hum and Zhigang Li and Keith Lykke and Michael Bishop}, title = {Ultraviolet degradation study of photomultiplier tubes at SURF III}, year = {2009}, number = {7304}, month = {2009-05-08}, publisher = {Proceedings of SPIE, Defense, Security, and Sensing 2009, Orlando, FL}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902573}, language = {en}, }