@article{7171, author = {R. Falk and Gordon Dunn and D. Griffin and C. Bottcher and D. Gregory and D. Crandall and M. Pindzola}, title = {Excitation-Autoionization Contributions to Electron Impact Ionization}, year = {1981}, journal = {Physical Review Letters}, volume = {47}, pages = {494-497}, month = {Jan-08-1981}, issn = {0031-9007}, doi = {10.1103/PhysRevLett.47.494}, }