"Proton–Proton Scattering at 105 MeV and 75 MeV", Harvard University, United States Department of Energy (through predecessor agency the United States Atomic Energy Commission), (January 31, 1951).
"Proton-Proton Scattering at 105 Mev and 75 Mev", Harvard University, United States Department of Energy (through predecessor agency the United States Atomic Energy Commission), (ngày 31 tháng 1 năm 1951).