TY - JOUR AU - David Norcross AU - M. Seaton BT - Journal of Physics B: Atomic and Molecular Physics DA - Jan-12-1976 DO - 10.1088/0022-3700/9/17/014 PY - 1976 SP - 2983 EP - 3000 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Energy levels for Be I calculated using a model potential and cores approximations VL - 9 SN - 0022-3700 ER -