TY - JOUR T1 - No wide spread of stellar ages in the Orion Nebula Cluster UR - http://dx.doi.org/10.1111/j.1365-2966.2011.19613.x PY - 2011/09/23 AU - Jeffries RD AU - Littlefair SP AU - Naylor T AU - Mayne NJ ED - Y2 - 2025/11/04 ER -