Fan, L.T., B. Bertók, F. Friedler, and S. Shafie. 2001. “MECHANISMS OF AMMONIA-SYNTHESIS REACTION REVISITED WITH THE AID OF A NOVEL GRAPH-THEORETIC METHOD FOR DETERMINING CANDIDATE MECHANISMS IN DERIVING THE RATE LAW OF A CATALYTIC REACTION”. Hungarian Journal of Industry and Chemistry 29 (1):71-80. https://doi.org/10.1515/hjic-2001-14.