TY - RPRT TI - The Chandra X-Ray Observatory Radiation Environmental Model Update AU - Blackwell, William C. AU - Minow, Joseph I. AU - ODell, Stephen L. AU - Cameron, Robert A. AU - Virani, Shanil N. PY - 2003 UR - https://ntrs.nasa.gov/citations/20040035650 ID - 20040035650 ER -