Published Online: Dec 01, 2016
Page range: 11 - 14
DOI: https://doi.org/10.1515/mipo-2017-0003
© 2018 Anna Maliszewska, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Anna Maliszewska
Niemczynow-Burchart Grażyna