137.    BAILLEUL, G., HERBERT, W., AND REISEMANN, E.  Aktive Kohle and ihre Verwendung in der chemischen Industrie.  Ferdinand Enke, Stuttgart, 1937.  2d Ed., 114 pp.

                  One chapter describes the technical use of active C with special reference to benzine recovery from natural gas and obtaining gasol and benzine by the Fischer-Tropsch-Ruhrchemie process.