TY - JOUR AU - T. O'Malley AU - Sydney Geltman BT - Physical Review DA - 1965-03 DO - 10.1103/PhysRev.137.A1344 PY - 1965 SP - A1344 EP - A1352 T2 - Physical Review TI - Compound-Atom States for Two-Electron Systems VL - 137 SN - 0031-899X ER -