Constraints on barotropic dark energy models by a new phenomenological q(z) parameterizationJaime Román-Garza, Tomás Verdugo, Juan Magaña and Verónica MottaEur. Phys. J. C, 79 11 (2019) 890DOI: https://doi.org/10.1140/epjc/s10052-019-7390-3