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APA Citation
Dieball, A., Bedin, L. R., Knigge, C., Geffert, M., Rich, R. M., Dotter, A., Richer, H., & Zurek, D. (2019). hunting for brown dwarfs in the globular cluster M4: second epoch HST NIR observations. Monthly notices of the Royal Astronomical Society, 486(2), 2254–2264. http://access.bl.uk/ark:/81055/vdc_100094052588.0x00004e