@ARTICLE{
author={Khasanov Rustem,Shengelaya A,Di Castro D,Eshchenko DG,Savic Ilija M,Conder K,Pomjakushina E,Karpinski J,Kazakov SM,Keller H},
year={2007},
title={Magnetic-field dependence of the oxygen isotope effect on the magnetic penetration depth of hole-doped cuprate superconductors},
journal={PHYSICAL REVIEW B},
volume={75},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Khasanov Rustem,Shengelaya A,Conder K,Morenzoni Elvezio,Savic Ilija M,Karpinski J,Keller H},
year={2006},
title={Correlation between oxygen isotope effects on transition temperature and magnetic penetration depth in high-temperature superconductors close to optimal doping},
journal={PHYSICAL REVIEW B},
volume={74},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Angst M,Di Castro D,Eshchenko DG,Khasanov Rustem,Kohout S,Savic Ilija M,Shengelaya A,Bud 'ko SL,Canfield PC,Jun J,Karpinski J,Kazakov SM,Ribeiro RA,Keller H},
year={2004},
title={Anisotropy and internal-field distribution of MgB2 in the mixed state at low temperatures},
journal={PHYSICAL REVIEW B},
volume={70},
number={22},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Di Castro D,Angst M,Eshchenko DG,Khasanov Rustem,Roos J,Savic Ilija M,Shengelaya A,Bud 'ko SL,Canfield PC,Conder K,Karpinski J,Kazakov SM,Ribeiro RA,Keller H},
year={2004},
title={Absence of a boron isotope effect in the magnetic penetration depth of MgB2},
journal={PHYSICAL REVIEW B},
volume={70},
number={1},
pages={-},
document_type={Article},
}