id	domain	url
iassist-501	web.archive.org	http://web.archive.org
iassist-501	www.icpsr.umich.edu	www.icpsr.umich.edu/ddi/codebook/index
iassist-501	www.ist-world.org	http://www.ist-world.org/projectdetails
iassist-501	www.ist-world.org	http://www.ist-world.org/projectdetails
iassist-501	www.ddialliance.org	http://www.ddialliance.org/sites
iassist-501	web.archive.org	http://web.archive.org/web/20040324061527/http:
iassist-501	www.icpsr.umich.edu	www.icpsr.umich.edu/ddi/org/charter.html
iassist-501	www.ddialliance.org	http://www.ddialliance.org/resources/tools
iassist-501	odaf.org	http://odaf.org/papers/ddi_and_sdmx.pdf
iassist-501	www.ddialliance.org	http://www.ddialliance.org/sites
iassist-501	www.ddialliance.org	http://www.ddialliance.org/ddi
iassist-501	www.google.com	http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=we
iassist-501	dx.doi.org	http://dx.doi.org/10.3886/ddiworkingpaper04
iassist-501	dx.doi.org	http://dx.doi.org/10.3886
iassist-501	dx.doi.org	http://dx.doi.org/10.2218/ijdc.v3i1.45