Observation of Odderon effects at LHC energies: a real extended Bialas–Bzdak model study T. Csörgő and I. Szanyi Eur. Phys. J. C, 81 7 (2021) 611 Published online: 13 July 2021 DOI: 10.1140/epjc/s10052-021-09381-5