Gyongyosi, Laszlo
Imre, Sandor
Funding for this research was provided by:
Budapesti Műszaki és Gazdaságtudományi Egyetem (BME FIKP-MI/SC)
Article History
Received: 11 November 2019
Accepted: 6 January 2020
First Online: 17 February 2020
Competing interests
: The authors declare no competing interests.