1. Cyclic organophosphorus compounds. Part XIV. A proton magnetic resonance study of the stereochemistry of some 5,5-di- and 4,5,5-tri-substituted 1,3,2-dioxaphosph(V)orinans
2. Edmundson, R. S. and Mitchell, E. W. unpublished observations
3. Miller, B. 1965.Topics in Phosphorus Chemistry, Vol. 2, 133New York: Interscicnce.
4. Harvey, R. G. and De Sombre, E. R. 1964.Topics in Phosphorus Chemistry, Vol. 1, 57New York: Interscience.