Almeida, Ricardo
Girejko, Ewa
Hristova, Snezhana
Malinowska, Agnieszka B. https://orcid.org/0000-0002-1309-8583
Funding for this research was provided by:
Polish National Science Center (DEC-2014/15/B/ST7/05270, DEC-2014/15/B/ST7/05270)
Portuguese Foundation for Science and Technology (UID/MAT/04106/2019)
Plovdiv University "Paisii Hilendarski" (MU17-FMI-007)
Article History
Received: 29 March 2019
Accepted: 11 July 2019
First Online: 24 July 2019
Competing interests
: The authors declare that there is no conflict of interests.