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Telle, Helmut, et al. "Weakly Bound Positron–electron Pairs in a Strong Magnetic Field." Journal of Physics B: Atomic, Molecular and Optical Physics 41, no. 24 (2008).

Telle, Helmut, et al. "Weakly Bound Positron–electron Pairs in a Strong Magnetic Field." Journal of Physics B: Atomic, Molecular and Optical Physics 41.24 (2008).