The RWST, a comprehensive statistical description of the non-Gaussian structures in the ISM E. Allys, F. Levrier, S. Zhang, C. Colling, B. Regaldo-Saint Blancard, F. Boulanger, P. Hennebelle and S. Mallat A&A, 629 (2019) A115 Published online: 17 September 2019 DOI: 10.1051/0004-6361/201834975