id	domain	url
dem-2902	www.dem.umk.pl	http://www.dem.umk.pl/dem
dem-2902	dx.doi.org	http://dx.doi.org/10.12775/dem.2013.008
dem-2902	www.stooq.com	http://www.stooq.com)
dem-2902	dx.doi.org	http://dx.doi.org/10.1016/j.insmatheco.2007.02.001
dem-2902	dx.doi.org	http://dx.doi.org/10.1111/1467-9965.00068
dem-2902	dx.doi.org	http://dx.doi.org/10.1080/17446540500428843
dem-2902	dx.doi.org	http://dx.doi.org/10.2307/2109358
dem-2902	dx.doi.org	http://dx.doi.org/10.1093/jjfinec/nbl005
dem-2902	dx.doi.org	http://dx.doi.org/10.1198/073500102288618487
dem-2902	dx.doi.org	http://dx.doi.org/10.1515/9783110212075
dem-2902	cran.r-project.org	http://cran.r-project.org/web/packages/rmgarch/vignettes/the_rmgarch_models.pdf
dem-2902	dx.doi.org	http://dx.doi.org/10.1504/gber.2008.020592
dem-2902	dx.doi.org	http://dx.doi.org/10.1016/j.jeconom.2005.01.013
dem-2902	dx.doi.org	http://dx.doi.org/10.1016/s0378-4266(02)00271-6
dem-2902	dx.doi.org	http://dx.doi.org/10.1198/073500102288618496