id	domain	url
iogr-1155	www.spec2000.net	https://www.spec2000.net/22-fracloc1.htm
iogr-1155	www.fekete.com	http://www.fekete.com/san/theoryandequations/welltesttheoryequations/dual_porosity.htm
iogr-1155	www.kappaeng.com	https://www.kappaeng.com/documents/flip/dda/
iogr-1155	earthdoc.eage.org	http://earthdoc.eage.org/publication/search/?pubjournal=3&pubvolume=2005
iogr-1155	www.spec2000.net	https://www.spec2000.net/22-fracloc1.htm
iogr-1155	www.fekete.com	http://www.fekete.com/san/theoryandequations/welltesttheoryequations/dual_porosity.htm
iogr-1155	www.kappaeng.com	https://www.kappaeng.com/documents/flip/dda