1. Allcock H. R., Kugel R. L. (1965) J. Am. Chem. Soc. 87:4216
2. Allcock H. R., Kugel R. L., Valan K. J. (1966). Inorg. Chem. 5: 1709
3. S. H. Rose, J. Polym. Sci., B, 6 (1968)
4. A. Wilson, Initial Compounding Studies of Polyphosphazene Rubber, U.S. Army Natick Laboratories, Natick, MA 01760 TR 70-10-CE (C&PSEL-68) AD860170 (August 1969)
5. S. H. Rose and J. Cable, Synthesis of New Low Temperature Petroleum Resistant Elastomers (Horizons, Inc, Cleveland, OH, AMMRC CR 69-07, AD 693289, March 1969)