1994 · Rhett Herman, William A. Hiscock · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 31
1996 · Rhett Herman, William A. Hiscock · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 18
1992 · Rhett Herman, William A. Hiscock · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 11