@ARTICLE{
author={Matic Vladimir M,Milic Mirjana M,Tornau EE,Lapinskas S,Lazarov Nenad Dj},
year={2001},
title={Isothermal susceptibility in tetragonal phase of YBa2Cu3O6+2c},
journal={PHYSICA C},
volume={349},
number={3-4},
pages={246-250},
document_type={Article},
} 

@ARTICLE{
author={Matic Vladimir M,Lazarov Nenad Dj,Tornau EE,Lapinskas S,Milic Mirjana M,Spasojevic Vojislav V},
year={2000},
title={Low-temperature thermodynamics of the asymmetric next-nearest-neighbor Ising model},
journal={PHYSICAL REVIEW B},
volume={62},
number={1},
pages={107-110},
document_type={Article},
}