id	domain	url
hjic-676	tinyurl.com	http://tinyurl.com/hjic-2015-0010-suppl
hjic-676	www.iso.org	www.iso.org/iso
hjic-676	runorm.com	http://runorm.com/product/view/2/10771
hjic-676	www.coalgeology.com	http://www.coalgeology.com/coal-classificationand-analysis-coal-rank-classification-by-heat-value/8603
hjic-676	www.scienceworldjournal.org	www.scienceworldjournal.org/article
hjic-676	www.scirp.org	www.scirp.org/journal/paperdownload.aspx?paperid=20564
hjic-676	www.ijesmer.com	www.ijesmer.com/web_documents/20121_2_006.pdf