@ARTICLE{
author={Inoue K,Stergiou VC,Raptis YS,Popovic Zoran V},
year={2001},
title={Vibrational properties of SnGeS3 under high pressure},
journal={JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN},
volume={70},
number={7},
pages={2168-2174},
document_type={Article},
} 

@ARTICLE{
author={Stergiou VC,Raptis YS,Popovic Zoran V,Anastassakis E},
year={2000},
title={High-pressure Raman study of SnGeS3},
journal={HIGH PRESSURE RESEARCH},
volume={18},
number={1-6},
pages={189-194},
document_type={Article},
}