id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-15662	Dilevko, Juris; Dali, Keren	Improving Collection Development and Reference Services for Interdisciplinary Fields through Analysis of Citation Patterns: An Example Using Tourism Studies	2004-05-01	26	.pdf	application/pdf	12898	760	51	Studying tourism citations from 1994–1996, Richard M. Howey and colleagues found that 77.3 percent of citations in six tourism and hos- pitality journals came from other sources, although they did not define what they meant by “other sources.”40 But, as described above, the universities that employ tourism scholars who frequently publish in tourism research journals own a very large proportion of the core tourism research literature identified in table 4.	cache/crl-15662.pdf	txt/crl-15662.txt