1. Alexandrino, M.M., Bettiol, R.G.: Lie Groups and Geometric Aspects of Isometric Actions. Springer, Cham (2015)
2. Angulo, C.: A cohomology theory for Lie 2-algebras and Lie 2-groups. PhD thesis, Instituto de Matemática e Estatística, University of São Paulo, São Paulo (2018)
3. Austin, D.M., Braam, P.J.: Morse–Bott theory and equivariant cohomology. The Floer memorial volume. Progr. Math. 133, 123–183 (1995)
4. Baez, J.: Higher Yang-Mills Theory, preprint: arXiv:hep-th/0206130v2 (2002)
5. Baez, J.C., Lauda, A.D.: Higher-dimensional algebra V: 2-Groups. Theory Appl. Categ. 12, 423–491 (2004)