1. Catalyst Handbook Chapter 2 & 3 Wolf Scientific Books, London (1970)
2. Chapter 1;Thomas,1970
3. Chapter 1;Satterfield,1970
4. Chapter 8 – 13;Smith,1970
5. G. Gubitosa, A. Berton. M. Camia and N. Pernicone Preprint E 6.1 Preparation of Catalysts III (1982)