Barbara J. Anthony-Twarog, Constantine P. Deliyannis & Bruce A. Twarog: WIYN Open Cluster Study LXXXV. Li in NGC 2243 - Implications for Stellar and Galactic Evolution. In: The Astronomical Journal. Band161, Nr.159, 2021, S.1–18, doi:10.3847/1538-3881/abe0be7 (nsf.gov).
Barbara J. Anthony-Twarog, Constantine P. Deliyannis & Bruce A. Twarog: WIYN Open Cluster Study LXXXV. Li in NGC 2243 - Implications for Stellar and Galactic Evolution. In: The Astronomical Journal. Band161, Nr.159, 2021, S.1–18, doi:10.3847/1538-3881/abe0be7 (nsf.gov).