1. I. Chibata, “Immobilized Enzymes,” Chapters 3 and 5, Kodansha, Tokyo, 1975.
2. T. Takeuchi and S. Mori, “Gel Chromatography: Fundamentals,” Chapter 2, Kodansha, Tokyo, 1975.
3. C. N. Satterfield, “Mass Transfer in Heterogeneous Catalysis,” Chapter I, MIT Press, 1970.
4. M. Morishita, M. Fukushima and Y. Inaba, “Microencapsulation: Process and Application,” ed. by J. E. Vandagaer, Plenum Publishing Co., New York, p. 115.
5. J. Crank, “Mathematics of Diffusion,” Oxford Univ. Press, 1956, p. 47, 86.