id	domain	url
flr-90	dx.doi.org	http://dx.doi.org/10.14786/flr.v2i2.90
flr-90	www.spindel.fi	www.spindel.fi
flr-90	www.spindel.fi	www.spindel.fi)
flr-90	www.youtube.com	https://www.youtube.com/watch?v=hbajsn_i3ty&feature=youtu.be