Multi-spacecraft observations and transport simulations of solar energetic particles for the May 17th 2012 eventM. Battarbee, J. Guo, S. Dalla, R. Wimmer-Schweingruber, B. Swalwell and D. J. LawrenceA&A, 612 (2018) A116DOI: https://doi.org/10.1051/0004-6361/201731451