1. The Chemistry of Some Hydrodesulphurisation Catalysts Containing Molybdenum;Mitchell,1967
2. The CoO$z.sbnd;MoO3$z.sbnd;Al2O3 catalyst I. Cobalt molybdate and the cobalt oxide molybdenum oxide system
3. Preparation of Catalysts;de Beer,1976
4. Preparation of Catalysts;Moné,1976