@ARTICLE{
author={Draganic Ilija N,Lopez-Urrutia JRC,DuBois R,Fritzsche S,Shabaev VM,Orts RS,Tupitsyn II,Zou Y,Ullrich J},
year={2003},
title={High precision wavelength measurements of QED-sensitive forbidden transitions in highly charged argon ions},
journal={PHYSICAL REVIEW LETTERS},
volume={91},
number={18},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Tupitsyn II,Shabaev VM,Lopez-Urrutia JRC,Draganic Ilija N,Orts RS,Ullrich J},
year={2003},
title={Relativistic calculations of isotope shifts in highly charged ions},
journal={PHYSICAL REVIEW A},
volume={68},
number={2},
pages={-},
document_type={Article},
}