3382. --------------. [THAU, A.] [German Coals as a Starting Material for Refined Chemicals.] Brennstoff-u. Wärmewirt., vol. 19, 1937, pp. 17-25, 41-45; Chem. Abs., vol. 31, 1937, p. 4084. Review of methods for converting coals to liquid hydrocarbons. |