778.    EHRHARDT, U.  [Literature Survey on the Synthetic Production of Mineral Oils From Gases.]  Ges. Abhandl. Kenntnis Kohle, vol. 4, 1919, pp. 471-506.

     EHRMAN.  See abs. 2264, 2265.

     EICHNER, C.  See abs. 2743, 2744.