High-Pressure Vapor-Liquid-Equilibria in Binary-Mixtures of Carbon-Dioxide and Benzene Compounds - Experimental-Data for Mixtures with Ethylbenzene, Isopropylbenzene, 1,2,4-Trimethylbenzene, 1,3,5-Trimethylbenzene, Ethenylbenzene and Isopropenylbenzene, and Their Correlation with the Generalized Bender and Skjold-Jorgensen Group-Contribution Equation of State (Vol 97, Pg 167, 1994)