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Crowther, Paul A.; et al. (2010-10), “The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150 M⊙ stellar mass limit”, Monthly Notices of the Royal Astronomical Society408 (2): 731-751, arXiv:1007.3284, Bibcode: 2010MNRAS.408..731C, doi:10.1111/j.1365-2966.2010.17167.x
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Crowther, Paul A.; et al. (2010-10), “The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150 M⊙ stellar mass limit”, Monthly Notices of the Royal Astronomical Society408 (2): 731-751, arXiv:1007.3284, Bibcode: 2010MNRAS.408..731C, doi:10.1111/j.1365-2966.2010.17167.x
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