TY - JOUR
AU - V. Ehlers
AU - Alan Gallagher
BT - Physical Review A
DA - Jan-05-1973
DO - 10.1103/PhysRevA.7.1573
PY - 1973
SP - 1573
EP - 1585
T2 - Physical Review A
TI - Electron Excitation of the Calcium 4227-\r A Resonance Line
VL - 7
SN - 0556-2791
ER -