Isobaric Vapor-Liquid Equilibrium for the Binary Systems (Diethylamine + Ethanol), (Ethanol + N,N-Diethylethanolamine), and (Diethylamine + N,N-Diethylethanolamine) at p = (80.0 and 40.0) kPa Yang, C.; Zhang, P.; Qin, Z.; Feng, Y.; Zeng, H.; Sun, F.; Journal of Chemical & Engineering Data 2014, 59, 750-756