Baysal H.2019-10-272019-10-2719920004640X0004-640Xhttps://doi.org/10.1007/BF00692898https://hdl.handle.net/11454/28327We obtain some cosmological models that are exact solutions of Einstein's equations. The metric utilized is the one of Szekeres's class II and the curvature source is a perfect fluid with heat flow. The pressure is assumed to have the form p=c(2 R/RR). © 1992 Kluwer Academic Publishers.en10.1007/BF00692898info:eu-repo/semantics/closedAccessArticle1962345349Q3