id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-10538	Bonn, George S.	Relative Usefulness of Indexing and Abstracting Services	1950	4	.pdf	application/pdf	8757	816	110	i g n r e f e r e n c e s . T h e s e r e l a t	cache/crl-10538.pdf	txt/crl-10538.txt