id	domain	url
eblip-21469	creativecommons.org	http://creativecommons.org/licenses/by-nc-sa/2.5/ca/)
eblip-21469	www.informationr.net	http://www.informationr.net/ir/17-4/paper549.html#.uwo1i-zfdiu
eblip-21469	dx.doi.org	http://dx.doi.org/10.1136/bmj.c4587
eblip-21469	www.referenceworld.com	http://www.referenceworld.com/sage/socialscience/triangulation.pdf