You may also wish to search for items by Ma, Y. and Ma.
Only one matching reference was found.
Ma, Y.H.; Kohn, J.P., Multiphase and Volumentric Equilibrtia of the Ethane-Methanol System at Temperatures Between -40 and 100 C, J. Chem. Eng. Data, 1964, 9, 3-5. [all data]