TY - JOUR T1 - ULTRASPEC-An electron multiplication CCD camera for very low light level high speed astronomical spectrometry JO - Proceedings of SPIE - The International Society for Optical Engineering PY - 2008/01/01 AU - Ives D AU - Bezawada N AU - Dhillon V AU - Marsh T ED - DO - DOI: 10.1117/12.790376 VL - 7021 Y2 - 2025/03/14 ER -