1. in press For an excellent review see;Dempster;Chem Phys Hochpolymer Forsch,1960
2. in Optical Properties of Solids Eds Plenum New York;Genzel;Mitra,1969
3. see Molecular vibrations of high polymers in Spectroscopy Marcel New York;Zerbi;Applied Reviews II,1969
4. Fora comprehensive review see Reports on Progress in;Keller;Physics,1968
5. Conformations of lnterscience New York;Birnshtein;Macromolecules,1966