1. W. A. Hanson. Handbook of Dissolution Testing, Pharmaceutical Technology Publications, Springfield, 1982
2. G. Mattock and I. J. McGilveray. J. pharm. Sci., 61, 746 (1972)
3. W. Ritschel. Arzneiur. Forsch., 23, 1031 (1973)
4. J. D. Taylor and D. E. Simpkins. Pharm. J., 227, 601 (1981)
5. M. Wolff, G. Cordes and V. Luckow. Pharm. Res., 1, 23 (1985)