4. CXXXVIII.—Studies in asymmetric synthesis. III. The asymmetric synthesis of l-lactic acid. The optical activity of fermentation lactic acid Alexander McKenzie J. Chem. Soc. Trans. 1905 87 1373
6. LXVIII.—Preparation of the active lactic acids and the rotation of their metallic salts in solution T. Purdie,J. Wallace Walker J. Chem. Soc. Trans. 1895 67 616