Peng‐Fei Yin, Xinmin Zhang, Xiao-Jun Bi et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology|2009
Juan Zhang, Shou-hua Zhu, Xiao-Jun Bi et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology|2009