1. Aharonov, Y., and Bohm, D. (1959).Physical Review,115, 485?491.
2. Anandan, J. (1983). Holonomy groups in gravity and gauge fields, inProceedings Conference Differential Geometric Methods in Physics, Trieste 1981, G. Denardo and H. D. Doebner, eds., World Scientific, Singapore.
3. Atiyah, M. F. (1980). Geometrical aspects of gauge theories, inProceedings International Congress Mathematics, O. Lento, ed., Helsinki, pp. 881?885.
4. Babelon, O., and Viallet, C. M. (1981).Communications in Mathematical Physics,81, 515?525.
5. Barrett, J. W. (1985). The holonomy description of classical Yang-Mills theory and general relativity, Ph.D. thesis, University of London.