1. Abe, S. and Ikeda, M., “On groups of motions in space-time with a non-symmetric fundamental tensor g μν . I”, Tensor, New Ser., 10, 26–33, (1960). (Cited on page 160.)
2. Abrol, M. L. and Mishra, R. S., “On the field equations of Bonnor’s unified theory”, Tensor, New Ser., 8, 14–20, (1958). (Cited on page 150.)
3. Alfsen, E., “Schéma lagrangien de la théorie de l’électron de Flint”, C. R. Hebd. Seanc. Acad. Sci., 232, 699–701, (1951). [ARK]. (Cited on page 42.)
4. Antonelli, P. L., Handbook of Finsler Geometry, Vols. 1 and 2, (Kluwer, Boston, 2003). (Cited on pages 12 and 176.)
5. Arnowitt, R. L., “Phenomenological Approach to a Unified Field Theory”, Phys. Rev., 105, 735–742, (1957). [DOI]. (Cited on pages 101, 147, and 178.)