id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-12918	Saracevic, T.; Shaw, W. M.; Kantor, P. B.	Causes and Dynamics of User Frustration in an Academic Library	1977-01-01	12	.pdf	application/pdf	6640	373	65	Therefore, library user performance is a most ap- propriate choice for attempts at im- provement. It is argued that the branching analysis for the combination of effects and the particular measures derived are universally applicable for studying these aspects of library performance. ...	cache/crl-12918.pdf	txt/crl-12918.txt