id	domain	url
gujaf-22	mpra.ub.unimuenchen.de	http://mpra.ub.unimuenchen.de/33931
gujaf-22	mpra.ub.uni-muenchen.de	http://mpra.ub.uni-muenchen.de/33931
gujaf-22	mpra.ub.uni-muenchen.de	http://mpra.ub.uni-muenchen.de/33931
gujaf-22	doi.org	https://doi.org/10.1080/23322039.2018.1528688
gujaf-22	doi.org	https://doi.org/10.1080/23322039.2018.1528688