1. Alexandroff, P. (1958). Elementary concepts of topology. Frederick Ungar Publishing.
2. Bell, J. S. (1987). Speakable and unspeakable in quantum mechanics. Cambridge University Press.
3. Benfey, O. T., & Fikes, L. (1966). The chemical prehistory of the tetrahedron, octahedron, icosahedron and hexagon. Advances in Chemistry, Kekulé Centennial, 61, 111–128.
4. Boyer, C. B. (1980). Storia della Matematica. Arnoldo Mondadori Editore S.p.A.
5. Brock, W. H. (1993). The Norton history of chemistry. W. W. Norton & Company.