2009 · Ratna Koley, Joydip Mitra, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 39
2008 · Ratna Koley, Joydip Mitra, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 24