id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-13005	Perk, Lawrence J.; Van Pulis, Noelle	Periodical Usage in an Education-Psychology Library	1977	5	.pdf	application/pdf	2875	135	60	The analysis incorporated discussion of the techni.ques and limitations of journal usage studies. Undoubtedly, among the major influ- ences on journal usage are indexing and abstracting services, both manual and computer-based.	cache/crl-13005.pdf	txt/crl-13005.txt