id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fens-354	SKIP, Borys; GUTT, Sonia; STANKO, Štefan	RISK TO HUMAN HEALTH CAUSED BY NON CONDITIONAL DRINKING WATER	2017	8	.pdf	application/pdf	4133	188	41	Water pollution level. Thus, water pollution level of ammonia ions and nitrites had to exceed permissible level of 261 and 3338 times respectively.	cache/fens-354.pdf	txt/fens-354.txt