1979 · P. K. Sengupta, N. S. Arya, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 10
1984 · D. P. Goyal, P. K. Sengupta, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 6
1980 · N. S. Arya, D. P. Goyal, et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 3