id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12749		cet-12749		6	.pdf	application/pdf	3603	148	48	Thomas et al. (2009) compared central and distributed hydrogen production costs. This paper provides an overview of the principal published data of equipment manufacturers and essential scientific articles on both technical and economic issues of hydrogen production for these purposes.	cache/cet-12749.pdf	txt/cet-12749.txt