B103: R. Hippler, S. Datz, P. D. Miller, P. L. Pepmiller, P. F. Dittner, "Double- and single-electron capture and loss in collisions of 1–2-MeV/u boron, oxygen, and silicon projectiles with helium atoms", Physical Review A35, 585-590 (1987). [10.1103/physreva.35.585]