1. Correlations in Space and Time and Born Approximation Scattering in Systems of Interacting Particles
2. 2R. H. Doremus , Glass Science . Wiley-Interscience, Inc., New York, 1973 ; p.1 .
3. Classification of non-crystalline solids
4. 4(a) J. R. Hutchins, R. V. Harrington, R. E. Kirk, and D. F. Othmer ; p.534 inEncyclopedia of Chemical Technology , Vol. 10 ; 2nd ed. Interscience Publishers, Inc., New York, 1966 .
5. (b)J. A. Prins , Physics of Non-Crystalline Solids . North Holland Publishing Co., Amsterdam, 1965 ; p.1 .