2335.     ---------------.  [MUHLERT, F.]  [Growth of Synthetic Liquid Hydrocarbon Industries in Germany.]  Chaleur et ind., vol. 20, 1939, pp. 355-360; Chem. Abs., vol. 33, 1939, p. 6019.

        Review of development of processes for synthesis of liquid hydrocarbons from bituminous and brown coals.  Illustrated description of Fischer-Tropsch Ruhrchemie plant.