id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5628	YLI-VIIKARI, A.	Indicators for sustainable agriculture - a theoretical framework for classifying and assessing indicators	1999	20	.pdf	application/pdf	11942	817	52	Environmental indicators. Environmental indicators for agriculture.	cache/afs-5628.pdf	txt/afs-5628.txt