Grasha, K., Calzetti, D., Adamo, A., Kennicutt, R., Elmegreen, B., Messa, M., …Meidt, S. (2019). The spatial relation between young star clusters and molecular clouds in M51 with LEGUS. Monthly Notices of the Royal Astronomical Society, 483(4), 4707-4723. https://doi.org/10.1093/mnras/sty3424