@article{ICF Diametros_2011, title={Information and acknowledgments}, url={https://diametros.uj.edu.pl/diametros/article/view/451}, DOI={10.13153/diam.30.2011.451}, number={30}, journal={Diametros}, author={ICF Diametros, Redakcja}, year={2011}, month={Dec.}, pages={1} }