1. O. Wisser and S. Landa,Sulfide Catalysts. Their Properties and Applications (Pergamon Press, Oxford, 1973).
2. B. Delmon, in:Chemistry and Uses of Molybdenum, Proc. 3rd Int. Conf., eds. H.F. Barry and P.C.H. Mitchell (Climax Molybdenum Co., Ann Arbor, 1979) pp. 73–84.
3. H. Topsoe, NATO ASI Series, Series C 105 (1983) 329–360.
4. F. Massoth, Adv. Catal. 27 (1978) 265.
5. G.C.A. Schuit and B.C. Gates, AIChEJ 19 (1973) 417.