1. Abbad, O., Vitale, E.: Faithful calculus of fractions. Cahiers de Topologie et Géométrie Différentielle Catégoriques 54, 221–239 (2013)
2. Bartels, T.: Higher gauge theory I: 2-Bundles. Ph.D. thesis, University of California Riverside (2006). arXiv:
math.CT/0410328
3. van den Berg, B., Moerdijk, I.: The axiom of multiple choice and models for constructive set theory. J. Math. Log. 14(1) (2014). arXiv:
1204.4045
4. Bunge, M., Paré, R.: Stacks and equivalence of indexed categories. Cahiers Topologie Géom Différentielle 20(4), 373–399 (1979)
5. Karagila, A.: Embedding orders into cardinals with D
C
κ
. Fundamenta Mathematicae 226, 143–156 (2014). arXiv:
1212.4396