TY - GEN T1 - A lithium depletion boundary age of 22 Myr for NGC 1960 T2 - arXiv PY - 2013/06/26 AU - Jeffries RD AU - Naylor T AU - Mayne NJ AU - Bell CPM AU - Littlefair SP ED - DO - DOI: 10.48550/arxiv.1306.6339 Y2 - 2025/11/04 ER -