id	domain	url
dem-15805	www.dem.umk.pl	http://www.dem.umk.pl/dem
dem-15805	dx.doi.org	http://dx.doi.org/10.12775/dem.2017.009
dem-15805	orcid.org	https://orcid.org/0000-0001-9538-9589
dem-15805	orcid.org	http://orcid.org/0000-0002-2810-6654
dem-15805	doi.org	https://doi.org/10.3905/jpm.2007.698039
dem-15805	doi.org	https://doi.org/10.1111/j.1540-6261.1981.tb04891.x
dem-15805	doi.org	https://doi.org/10.15290/ose.2014.01.67.06