id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15426		cet-15426		6	.pdf	application/pdf	3413	122	37	Instead, the supply of heat energy relies on a combination of decentralised and centralised systems. The need for sustainable heating solutions becomes even more urgent when considering the recent changes in energy demand observed in Pamplona.	cache/cet-15426.pdf	txt/cet-15426.txt