1. D.T. Clark, in “Advances in Polymer Science”, H.J. Cantow, Editor, Vol. 24, p. 125, Springer-Verlag, Berlin, 1977.
2. D.T. Clark, in “Photon, Electron and Ion Probes of Polymer Structure and Properties”, D.W. Dwight, T.J. Fabish and H.R. Thomas, Editors, A.C.S. Symposium Series No. 162, Chap. 17, American Chemical Society, Washington, D.C., 1981.
3. D.T. Clark, M. AboShebak and W. Brennan, (1982), unpublished data.
4. D.T. Clark and H.R. Thomas, J. Polym. Sci., Polym. Chem. Ed., 15, 2843 (1977).
5. D.T. Clark and D. Shuttleworth, J. Polym. Sci., Polym. Chem. Ed., 16, 1093 (1978).