Fragmentation and filaments at the onset of star and cluster formation - SABOCA 350 μm view of ATLASGAL-selected massive clumpsY. Lin, T. Csengeri, F. Wyrowski, J. S. Urquhart, F. Schuller, A. Weiss and K. M. MentenA&A, 631 (2019) A72DOI: https://doi.org/10.1051/0004-6361/201935410