About this article
Published Online: Apr 04, 2017
Page range: 79 - 81
DOI: https://doi.org/10.1515/heem-2016-0014
Keywords
© 2016 Ryszard Staroszczyk, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Staroszczyk, Ryszard