@ARTICLE{
author={Wehlitz R,Colgan J,Martinez MM,Bluett JB,Lukic Dragan V,Whitfield SB},
year={2005},
title={Double photoionization processes in lithium},
journal={JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA},
volume={144},
number={},
pages={59-62},
document_type={Article},
} 

@ARTICLE{
author={Wehlitz R,Martinez MM,Bluett JB,Lukic Dragan V,Whitfield SB},
year={2004},
title={Double-to-single photoionization ratio of lithium at medium energies},
journal={PHYSICAL REVIEW A},
volume={69},
number={6},
pages={-},
document_type={Article},
}