1. L.Holliday , Ionic polymers , John Wiley & Sons , New York , 1975
2. A.Eisenberg and J. S.Kim , Introduction to Ionomers , John Wiley & Sons , New York , 1998
3. J.Bandrup and E. H.Immergut , Polymer Handbook , Wiley Interscience , New York , 1989
4. Block copolymers in tomorrow's plastics