1. Baldomir, D.: Differential forms and electromagnetism in 3-dimensional Euclidean Space. IEE Proc. 133A, 139 (1986)
2. Baldomir, D., Hammond, P.: Global geometry of electromagnetic systems. IEE Proc. 140A, 142 (1993)
3. Baldomir, D., Hammond, P.: Geometry of Electromagnetic Systems. Clarendon Press, Oxford (1996)
4. Bamberg, P., Sternberg, S.: A Course in Mathematics for Students of Physics. Cambridge University Press, Cambridge (1992)
5. Baylis, W.E.: Electrodynamics. A Modern Geometric Approach. Birkhauser, Boston (1998)