Isothermal Vapor-Liquid Equilibria for Binary Mixtures Composed of the Closely Boiling Compounds 1,2-Dimethoxybenzene and 2-Methoxyphenol with an Adducted Agent: tert-Butanol or Morpholine Lee, M.J.; Su, C.C.; Lin, H.m.; Journal of Chemical & Engineering Data 2004, 49, 588-593