2483.     NOWOTNY, H., AND JUZA, R.  [Cobalt Reduced in Hydrogen.]  Ztschr. anorg. Chem., vol. 253, 1945, pp. 109-112; Chem. abs., vol. 43, 1949, p. 2883.

        Possibility that in different preparations of Co by reduction, the Co may have the hexagonal structure or the hexagonal- or cubic-close packing has been confirmed on the basis of energy relationships.