1. Anonymous. Dairy World (London) Dec. 16, 1933. (Quoted by Polaks Frutal Works; Natl. Butter and Cheese Jour., 25: 22. 1934.)
2. Anonymous. Jour. Dept. Agr., Union S. Africa, 8: 551. 1924; Chem. Abs., 18: 3436. 1924. Orig. not seen.
3. Aschan, Ossian. Finska Kemistsamfundets Medd., 38: 6–18. 1929; Chem. Abs., 24: 437. 1930. Orig. not seen.
4. The determination of diacetyl and acetyl methyl carbinol