id	domain	url
abr-55	www.amstat.org	www.amstat.org/publications/jse/v14n12/johnson.html
abr-55	tsg.icme11.org	http://tsg.icme11.org/document
abr-55	www.amstat.org	www.amstat.org/publications/jse/v16n12/zieffler.html