The rate and latency of star formation in dense, massive clumps in the Milky WayM. Heyer, R. Gutermuth, J. S. Urquhart, T. Csengeri, M. Wienen, S. Leurini, K. Menten and F. WyrowskiA&A, 588 (2016) A29DOI: https://doi.org/10.1051/0004-6361/201527681