1. F.W. Billmeyer Jr., Textbook of Polymer Science, 3rd edn. (John Wiley & Sons, Inc., New York 1984)
2. I.M. Campbell, Introduction to Synthetic Polymers (Oxford University Press, Oxford, 1994)
3. C. Bunn, Chem. Br. 11, 171–177 (1975)
4. D.H. Reneker, P.H. Geil, J. Appl. Phys. 31, 1916–1925 (1960)
5. N.G. Gaylord, H.F. Mark, Linear and Stereoregular Addition Polymers (Wiley-Interscience, New York, 1959)