Carrasco, I. Z., Kobayashi, T., Parameswaran, S. L., Ramos-Sánchez, S., & Zavala, I. (2012). Revisiting coupling selection rules in heterotic orbifold models. Journal of High Energy Physics, 2012(5), . doi:10.1007/JHEP05(2012)008

Carrasco, Ivonne Zavala, Tatsuo Kobayashi, Susha L. Parameswaran, Saúl Ramos-Sánchez, and Ivonne Zavala. "Revisiting Coupling Selection Rules in Heterotic Orbifold Models." Journal of High Energy Physics 2012, no. 5 (2012).

Carrasco, Ivonne Zavala, et al. "Revisiting Coupling Selection Rules in Heterotic Orbifold Models." Journal of High Energy Physics 2012.5 (2012).