1. Vafa, C.: Evidence for F-theory. Nucl. Phys. B469, 403–418 (1996). hep-th/9602022
2. Beasley, C., Heckman, J.J., Vafa, C.: Guts and exceptional branes in F-theory I. JHEP 01, 058 (2009). arXiv:0802.3391
3. Donagi, R., Wijnholt, M.: Model building with F-theory. arXiv:0802.2969
4. Andreas, B., Curio, G.: From local to global in F-theory model building. J. Geom. Phys. 60, 1089–1102 (2010). arXiv:0902.4143
5. Marsano, J., Saulina, N., Schäfer-Nameki, S.: F-theory compactifications for supersymmetric guts. JHEP 08, 030 (2009). arXiv:0904.3932