Journal ArticleMulti-frequency General Relativistic Radiation-hydrodynamics with <b><i>M</i></b> ₁ ClosureAnninos, Peter; Fragile, P. Chrisnull2020-09-0110232589The Astrophysical Journal9001711538-4357https://doi.org/10.3847/1538-4357/abab9c1907850National Science Foundation