@article{7612, author = {R. Falk and Gordon Dunn and D. Gregory and D. Crandall}, title = {Measurement of the contribution of excitation autoionization to electron-impact ionization of ions: Ti3+, Zr3+, Hf3+, and Ta3+}, year = {1983}, journal = {Physical Review A}, volume = {27}, pages = {762-770}, month = {Jan-02-1983}, issn = {0556-2791}, doi = {10.1103/PhysRevA.27.762}, }