@inproceedings{patronov_kostova_tonchev_2020, 
  title={Influence of Samarium doping on zinc borophosphate glasses}, 
  DOI={10.37904/metal.2020.3620}, 
  publisher={TANGER Ltd.}, 
  author={PATRONOV, Georgi and KOSTOVA, Irena and TONCHEV, Dan}, 
  year={2020}
  }