Densities and Isothermal Compressibilities at Pressures up to 20 MPa of the Systems 1-Methyl-2-pyrrolidone + 1-Chloroalkane or + α,ω-Dichloroalkane García-Giménez, P.; Gil, L.; Blanco, S.T.; Velasco, I.; Otín, S.; Journal of Chemical & Engineering Data 2008, 53, 66-72