id	domain	url
dem-8595	www.dem.umk.pl	http://www.dem.umk.pl/dem
dem-8595	dx.doi.org	http://dx.doi.org/10.12775/dem.2015.007
dem-8595	www.orlen.pl	http://www.orlen.pl/pl/dlabiznesu/hurtowecenypaliw
dem-8595	www.lotos.pl	http://www.lotos.pl/144/dla_biznesu/hurtowe_ceny_paliw
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/2297659
dem-8595	dx.doi.org	http://dx.doi.org/10.2202/1555-5879.1027
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/2297930
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/2118397
dem-8595	dx.doi.org	http://dx.doi.org/10.2139/ssrn.1309608
dem-8595	dx.doi.org	http://dx.doi.org/10.1257/000282803322655509
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/3003636
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/2297565
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/2525908
dem-8595	dx.doi.org	http://dx.doi.org/10.2307/1913726
dem-8595	dx.doi.org	http://dx.doi.org/10.1016/0022-0531(86)90117-1
dem-8595	dx.doi.org	http://dx.doi.org/10.1002/jae.616
dem-8595	dx.doi.org	http://dx.doi.org/10.1017/ccol521633230
dem-8595	dx.doi.org	http://dx.doi.org/10.1016/0304-4076(94)01616-8
dem-8595	dx.doi.org	http://dx.doi.org/10.1016/j.ijindorg.2009.10.001