TY - JOUR AU - A. Mahan AU - Alan Gallagher AU - S. Smith BT - Physical Review A DA - Jan-01-1976 DO - 10.1103/PhysRevA.13.156 PY - 1976 SP - 156 EP - 166 T2 - Physical Review A TI - Electron impact excitation of the 3S, 3P, and 3D states of H VL - 13 SN - 0556-2791 ER -