1. Rogozhin, S.V., Davankov, V.A. Tsyurupa, M.P. Patent USSR 299165 (1969);
2. Patents: USA 3,729,457, Austria 312929, Australia 448487, Great Britain 1315214, Argentina 190867, Belgium 756082, DDR 85644, Holland 140869, Canada 909442, Italy 916194, France 2061341, FRG 2045096, Czechoslovakia 164371, Switzerland 542254, Japan 982759; Chem. Abstr. 75 (1971) 6841b.
3. Determination of interpenetration of polystyrene in solution and film by energy-transfer techniques
4. Self-Diffusion in Concentrated Solutions of Polystyrene in Toluene: No Evidence for Large-Scale Heterogeneities