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Hollyhead, K.; Lardo, C.; Kacharov, N.; Bastian, N.; Hilker, M.; Rejkuba, M.; Koch, A.; Grebel, E. K.; Georgiev, I.: Kron 3: a fourth intermediate age cluster in the SMC with evidence of multiple populations. Monthly Notices of the Royal Astronomical Society 476, pp. 114 - 121 (2018)

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