Particle physics and cosmology of the string derived no-scale flipped SU(5) I. Antoniadis, D. V. Nanopoulos and J. Rizos Eur. Phys. J. C, 82 4 (2022) 377 Published online: 29 April 2022 DOI: 10.1140/epjc/s10052-022-10353-6