id	domain	url
dem-5679	www.dem.umk.pl	http://www.dem.umk.pl/dem
dem-5679	dx.doi.org	http://dx.doi.org/10.12775/dem.2014.008
dem-5679	dx.doi.org	http://dx.doi.org/10.1086/260062
dem-5679	dx.doi.org	http://dx.doi.org/10.1016/0304-4076(86)90063-1
dem-5679	dx.doi.org	http://dx.doi.org/10.1111/j.1467-9965.1995.tb00099.x
dem-5679	dx.doi.org	http://dx.doi.org/10.1287/mnsc.44.9.1218
dem-5679	dx.doi.org	http://dx.doi.org/10.1007/978-1-4757-7146-6
dem-5679	dx.doi.org	http://dx.doi.org/10.2307/1912773
dem-5679	dx.doi.org	http://dx.doi.org/10.1016/s0927-5398(00)00024-4
dem-5679	dx.doi.org	http://dx.doi.org/10.1016/s0378-4266(01)00225-4
dem-5679	dx.doi.org	http://dx.doi.org/10.1155/jamds/2006/86320
dem-5679	dx.doi.org	http://dx.doi.org/10.1016/j.aml.2008.02.015
dem-5679	dx.doi.org	http://dx.doi.org/10.1108/15265940610688982