Vapor-Liquid Equilibrium for Tetrahydrothiophene + n-Butane, + trans-2-Butene, + 2-Methylpropane, and + 2-Methylpropene Sundberg, A.; Uusi-Kyyny, P.; Pakkanen, M.; Pokki, J.P.; Alopaeus, V.; Journal of Chemical & Engineering Data 2009, 54, 1311-1317