id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-2013	Reut, Victor; Vaysfeld, Natalya; Zhuravlova, Zinaida	Elastic crack-tip stress field in a semi-strip	2018	12	.pdf	application/pdf	7339	532	77	                     12 1 , 2 1 x xG x x e x e                	cache/fis-2013.pdf	txt/fis-2013.txt