3415.     TORREY, P. D.  Possibilities for Production of Liquid Fuels From Shale, Natural Gas, and Coal.  I.  Petrol. Eng., Refining and Gas Processing Sec., vol. 22, No. 3, 1950, pp. A39-A44.

        General review of present and future developments in the building of a synthetic liquid fuels industry.  The long-range objectives is considered, rather than immediate prospects.