1. Non-crystallinity and polymorphism in elemental solids
2. and , Structure Data of Elements and Intermetallic Phases, Landolt-Börnstein, Vol. III-6, Springer-Verlag, Berlin 1971 (p. 1 to 40).
3. A Handbook of Lattice Spacings and Structures of Metals and Alloys, Pergamon Press, New York 1958, 1967.
4. Amorphous films of the transition elements
5. Phosphorus and Its Compounds, Vol. 1, Interscience Publishers, New York 1958 (p. 107).