(1990). Catalytic conversion with Niobium materials: Proceedings of the Niobium and Catalysts Symposium at the 1989 International Chemical Congress of Pacific Basin Societies. Elsevier.
Chicago-Zitierstil (17. Ausg.)Catalytic Conversion with Niobium Materials: Proceedings of the Niobium and Catalysts Symposium at the 1989 International Chemical Congress of Pacific Basin Societies. Amsterdam u.a: Elsevier, 1990.
MLA-Zitierstil (9. Ausg.)Catalytic Conversion with Niobium Materials: Proceedings of the Niobium and Catalysts Symposium at the 1989 International Chemical Congress of Pacific Basin Societies. Elsevier, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.