Media type: E-Article Title: Z-expansion calculations of energy levels and transition probabilities in many-electron atoms Contributor: Layzer, David imprint: Wiley, 2009 Published in: International Journal of Quantum Chemistry Language: English DOI: 10.1002/qua.560010605 ISSN: 0020-7608; 1097-461X Keywords: Physical and Theoretical Chemistry ; Condensed Matter Physics ; Atomic and Molecular Physics, and Optics Origination: Footnote: