3384.     --------------.  [THAU, A.]  [Oil Production From Coal.  Its Technical and Economical Valuation From an Australian Viewpoint.]  Brennstoff-u. Wärmewirt., vol. 20, 1938, pp. 87-92; Chem. Abs., vol. 32, 1938, p. 6835.

        Discussion of the economics of coking, hydrogenation, and benzine synthesis.