@article{xhixha2016calibration,
  title={Calibration of HPGe detectors using certified reference materials of natural origin},
  author={Xhixha, Gerti and Alberi, Matteo and Baldoncini, Marica and Bode, Kozeta and Bylyku, Elida and Cfarku, Florinda and Callegari, Ivan and Hasani, Fadil and Landsberger, Sheldon and Mantovani, Fabio and others},
  journal={Journal of Radioanalytical and Nuclear Chemistry},
  volume={307},
  number={2},
  pages={1507--1517},
  year={2016},
  publisher={Springer}
}