About this article
Published Online: Dec 30, 2017
Page range: 121 - 133
DOI: https://doi.org/10.1515/pcr-2017-0009
Keywords
© 2017 Eugeniusz Sobczyński et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Sobczyński, Eugeniusz
Toruń
Pietruszka, Jerzy
Komorowo