A. Aab, I.M. Brâncuş, I. Allekotte et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2014
P. Abreu, M. Aglietta, M. Ahlers et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2012