TY - CPAPER AU - J. Delos CY - Williamsburg, Virginia (USA) DO - 10.1063/1.48193 PB - AIP PP - Williamsburg, Virginia (USA) PY - 1995 TI - Periodic orbits, recurrences and bifurcations in atomic spectra UR - http://link.aip.org/link/APCPCS/v334/i1/p305/s1\&Agg=doi ER -