Silvy, RP., Beuken, J.-M., Bertrand, P., Hodnett, BK., Delannay, F., & Delmon, B. (1984). Influence of Sulfidation Temperature On the Dispersion and Activity of Cobalt-molybdenum Catalysts Supported On Gamma-alumina. Societes Chimiques Belges. Bulletin, 93(8-9), 775-782. https://doi.org/10.1002/bscb.19840930819 (Original work published 1984)