@article{ratajczak_2018, 
  title={CONSORTIUM IN THE PROVISIONS OF THE PUBLIC PROCUREMENT LAW – JOINT AND SEVERAL LIABILITY – IN THE PROCUREMENT PROCEDURE AND PERFORMANCE OF THE CONTRACT}, 
  volume={24}, 
  DOI={10.18276/ais.2018.24-03}, 
  publisher={University of Szczecin}, 
  author={Ratajczak}, 
  year={2018}
  }