TY - CPAPER
AU - A. Pradhan
CY - St. Catherine\textquoterights College, Oxford
N1 - JILA Pub. 3742
PB - Queen\textquoterights University of Belfast
PP - St. Catherine\textquoterights College, Oxford
PY - 1987
TI - Recommended data for electron impact excitation of helium and helium-like ions
ER -