Berman, B., Firk, F., & Wu, C. (1972). The 90^o differential cross section for the reaction ^4He (γ, n"0)^3He and evidence for isospin mixing in the dipole states of ^4He.MLA Zitierstil
Berman, B.L., F.W.K Firk, and C.-P Wu. The 90^o Differential Cross Section for the Reaction ^4He (γ, N"0)^3He and Evidence for Isospin Mixing in the Dipole States of ^4He. 1972.