3515.     ---------------.  [ULLRICH, A.]  [Preparation of Methyl Ether From Oxides of Carbon by Means of Catalytic Hydrogenation.]  Metallbörse, vol. 19, 1929, p. 1741-1742; Chem. Abs., vol. 23, 1929, p. 5158.

        Review.

        UMEMURA, T.  See abs. 1900, 1901, 1902.