1. Theory and practice of the formulation of heterogeneous catalysts;Andrew;Chemical Engineering Science,1981
2. Beaver, E.R., 1974. Mechanical testing of extruded, tableted, and ring-formed catalysts. In: Weller, S.W. (Ed.), Standardization of Catalyst Test Methods, vol. 70. A.I.Ch.E. Symposium Series 143, New York, p. 1.
3. Mechanical testing of catalysts;Beaver;Chemical Engineering Progress,1975
4. On the estimation of the Weibull modulus;Bergman;Journal of Materials Science Letters,1984
5. Empirical model-building and response surfaces;Box,1987