REFERENCES
- J. M. Thomas and W. J. Thomas, ‘Introduction to the Principles of Hetero-geneous Catalysis’. 1967: London (Academic Press).
- R. Johne and D. Severin, Chem.-Ing.-Techn., 1965, 37, 57.
- N. Claussen and J. Jahn, Powder Met. Int., 1970,2, 87.
- R. M. Spriggs, L. A. Brisette, and T. Vasilos, Mater. Res. Stand., 1964, 4, 218.
- L. K. Barrett and C. S. Yust, Trans. Met. Soc. AIME, 1967, 239, 1172.