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2. G. C. Bond, Heterogeneous Catalysis: Principles and Applications, Clarendon Press, Oxford (1974).
3. J. H. Sinfelt, Acc. Chem. Res. 10, 15 (1977), and references therein.
4. J. M. Thomas and W. J. Thomas, Introduction to the Principles of Heterogeneous Catalysis, Academic Press, New York (1967)
5. J. M. Thomas and W. J. Thomas, International Symposium on the Relations Between Heterogeneous and Homogeneous Catalytic Phenomenon, Brussels, Elsevier, Amsterdam (1975).