@article{k.hackl20201,
author = {K. Hackl and F. D. Fischer and G. A. Zickler and J. Svoboda},
title = {Are Onsager's reciprocal relations necessary to apply thermodynamic extremal principles?},
journal = {Journal of the Mechanics and Physics of Solids},
volume = {135},
OPTnumber = {},
OPTmonth = {01},
year = {2020},
OPTpages = {103780},
OPTnote = {},
OPTkey = {anisotropic material; constitutive behavior; diffusion; variational calculus; thermodynamic extremal principle},
DOI = {10.1016/j.jmps.2019.103780}
}