1. E.I. Ko (Ed.), Catalytic conversion with niobium materials, Catal. Today 8 (1) (1990).
2. K. Tanabe (Ed.), Preparation, physicochemical properties and catalytic activity of niobium materials, Catal. Today 16 (3–4) (1993).
3. K. Tanabe (Ed.), Catalytic properties of niobium materials and related subjects materials, Catal. Today 28 (1–2) 1996.
4. Effect of preparation method on the properties of Nb2O5 promoted platinum catalysts
5. The promoting effect of noble metal addition on niobia-supported cobalt catalysts