Isentropic evolution of the matter in heavy-ion collisions and the search for the critical endpointMario Motta, Rainer Stiele, Wanda Maria Alberico and Andrea BeraudoEur. Phys. J. C, 80 8 (2020) 770DOI: https://doi.org/10.1140/epjc/s10052-020-8218-x