Hierarchical fragmentation and collapse signatures in a high-mass starless regionH. Beuther, Th. Henning, H. Linz, S. Feng, S. E. Ragan, R. J. Smith, S. Bihr, T. Sakai and R. KuiperA&A, 581 (2015) A119DOI: https://doi.org/10.1051/0004-6361/201526759