Alejandro Ayala, R. Zamora, M. Loewe et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2014
Alejandro Ayala, R. Zamora, M. Loewe et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2015