... Even with these inconsistencies, the Eckart theory was nonetheless used, fully or partially, with different degrees of success, in the study of neutron stars, supernovae, and in some models of viscous cosmology. Without being exhaustive, we provide the following list of references to this important topic: [3,5,6,7,8,9,11,12,20,28,29,30,31,32,39,40,41,42,43,45,47,48,49,50,51,52,53,62,64,70,76,77,78,82,85,86,88,89,90,91,92,94,97,98,101,102,104,106,107,108,110,111,113]. ...