Estimating compressibility from maximal-mass compact star observationsGergely G. Barnaföldi, Péter Pósfay, Balázs E. Szigeti and Antal JakovácEur. Phys. J. Special Topics, 229 22-23 (2020) 3605-3614DOI: https://doi.org/10.1140/epjst/e2020-000108-4