@article{ulyasheva_ras_2018, 
  title={PETROGRAPHIC AND GEOCHEMICAL PECULIARITIES OF CARBONACEOUS ROCKS OF THE UPPER PROTEROZOIC DEPOSITS OF THE POLAR URALS}, 
  DOI={10.19110/1994-5655-2018-3-75-82}, 
  publisher={IG Komi SC UB RAS}, 
  author={ULYASHEVA, N.S. and RAS}, 
  year={2018}
  }