High-field specific heat and entropy obtained from adiabatic temperature change L. S. Paixão, E. O. Usuda, W. Imamura and A. M. G. Carvalho Eur. Phys. J. Plus, 136 5 (2021) 545 Published online: 17 May 2021 DOI: 10.1140/epjp/s13360-021-01538-1