1. Barrall, E. M. II; Johnson, J. F.; Cooper, A. R.Fractionation of SyntheticPolymers; Tung, L. H., Ed.; Marcel Dekker: New York, 1977; pp 267−344.
2. Inagaki, H.Fractionation of Synthetic Polymers; Tung, L. H., Ed.; Marcel Dekker: New York, 1977; pp 649−344.
3. McHugh, M. A.; Krukonis, V. J. Supercritical Fluid Extraction: Principles andPractice; Buttersworths: Boston, 1986; pp 143−180.