1. R.P. Thomas, Gauge theory on Calabi- Yau manifolds, Ph.D. Thesis, University of Oxford, Oxford U.K. (1997).
2. S. Donaldson and R.P. Thomas, Gauge theory in higher dimensions, in proceedings of the Conference on Geometric Issues in Foundations of Science in honor of Sir Roger Penrose's 65th Birthday, Oxford, U.K., 25-29 June 1996, S.A. Huggett, L.J. Mason, K.P. Tod and S.T. Tsou eds., Oxford University Press, Oxford U.K. (1998), p. 31 [INSPIRE].
3. R.P. Thomas, A Holomorphic Casson invariant for Calabi- Yau three folds and bundles on K3 fibrations, J. Diff. Geom.54 (2000) 367 [math.AG/9806111] [INSPIRE].
4. S. Donaldson and E. Segal, Gauge Theory in higher dimensions, II,
arXiv: 0902.3239 [INSPIRE].
5. D. Joyce, Conjectures on counting associative 3-folds in G2-manifolds,
arXiv:1610 . 09836 [INSPIRE].