Experimental vapour-liquid equilibrium data of the quaternary system Methanol (1) +  Isopropyl alcohol (2) +  Water (3) +  Glycerol (4) along with Isopropyl alcohol (2) +  Glycerol (4) and Isopropyl alcohol (2) +  Water (3) binary data at atmospheric and sub-atmospheric pressures Soujanya, J.; Anvesh Reddy, C.; Satyavathi, B.; Sankarshana, T.; Fluid Phase Equilibria 2016, 409, 327-333