1. J.R. Rostrup-Nielsen, in: Proceedings of the Combinatorial Catalysis and High Throughput Catalyst Design and Testing, NATO ASI, Vilamoura, Portugal, July 11–24 1999, NATO ASI Series, Kluwer Academic Publishers, Dordrecht, in press.
2. I. Dybkjaer, in: A. Nielsen (Ed.), Ammonia, Springer, Berlin, 1995 (Chapter 6).
3. Rate equation and mechanism of ammonia synthesis at industrial conditions
4. J. Kjaer, Computer Methods in Catalytic Reactor Calculations, Topsoe, Vedbaek, 1972.