A. Coleman, (P. Homola) et al., Ultra high energy cosmic rays The intersection of the Cosmic and Energy Frontiers, Astropart. Phys., 147 (2023) 102794, doi: 10.1016/j.astropartphys.2022.102794, text of the work: https://arxiv.org/abs/2205.05845; Open access: OPEN_REPOSITORY;