Introduction
Crossref DOI link: https://doi.org/10.1007/s11212-016-9242-0
Published Online: 2016-02-16
Published Print: 2016-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ćukasiewicz, Dariusz
Mordarski, Ryszard
License valid from 2016-02-16