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Grebel, Eva K.; Chu, You-Hua (2000). ”[ITAL]HUBBLE SPACE TELESCOPE[/ITAL][ITAL]Hubble Space Telescope[/ITAL] Photometry of Hodge 301: An "Old" Star Cluster in 30 Doradus”. The Astronomical Journal 119 (2): sid. 787. doi:10.1086/301218. Bibcode: 2000AJ....119..787G.
Chu, Y.-H.; Grebel, E. K.; Bomans, D. J.; Smith, R. C.; Yang, H. (1996). ”The Violent Interstellar Medium in the Giant HII Region 30 Doradus”. Astronomische Gesellschaft Abstract Series 12. Bibcode: 1996AGAb...12..207C.
