443.    CAWLEY, C. M.  Oil From Coal.  Min. Jour. (London), vol. 204, 1939, pp. 179-180; Chem. Zentralb., 1939, I, p. 4415.

                   Review of carbonization, hydrogenation, and synthesis, their practical significance, and a summary of the results of economic and technical investigation of hydrogenation and hydrocarbon synthesis.