TY - JOUR AU - S. Jones AU - D. Madison AU - M. Baertschy BT - Physical Review A DA - Jan-01-2003 DO - 10.1103/PhysRevA.67.012703 PY - 2003 T2 - Physical Review A TI - Perturbative and nonperturbative calculations of electron-hydrogen ionization UR - http://link.aps.org/doi/10.1103/PhysRevA.67.012703 VL - 67 SN - 1050-2947 ER -