3455.     ---------------.  [TROPSCH, H.]  [Synthesis of Organic Compounds From Gases Obtainable From Coal.]  Entstehung, Veredlung, und Verwertung der Kohle, Berlin, Bornträger, 1930, 359 pp.; chap V.

        ----------.  See abs. 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1043, 1044, 1045, 1046, 1047.