The dense gas mass fraction in the W51 cloud and its protoclustersAdam Ginsburg, John Bally, Cara Battersby, Allison Youngblood, Jeremy Darling, Erik Rosolowsky, Héctor Arce and Mayra E. Lebrón SantosA&A, 573 (2015) A106DOI: https://doi.org/10.1051/0004-6361/201424979
