TY - JOUR
AU - R. Christensen
AU - David Norcross
BT - Physical Review A
DA - Jan-01-1985
DO - 10.1103/PhysRevA.31.142
PY - 1985
SP - 142
EP - 151
T2 - Physical Review A
TI - Electron-impact excitation of Li ii: A model study of wave-function and collisional approximations and of resonance effects
VL - 31
SN - 0556-2791
ER -