About this article
Published Online: Jul 10, 2014
Page range: 45 - 55
Received: Oct 28, 2013
Accepted: Dec 12, 2013
DOI: https://doi.org/10.2478/ffp-2014-0005
Keywords
© 2014
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Kruk, Hanna
Kornatowska, Bożena