id	domain	url
spir-8553	www.steampunkmagazine.com	http://www.steampunkmagazine.com/downloads
spir-8553	www.combustionbooks.org	http://www.combustionbooks.org/downloads/spm1-printing.pdf
spir-8553	jcmc.indiana.edu	http://jcmc.indiana.edu/vol10/issue4/robinson.html