id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-15822	Ortega, Lina; Antell, Karen	Tracking Cross-Disciplinary Information Use by Author Affiliation: Demonstration of a Method	2006	17	.pdf	application/pdf	8988	315	40	ISI categories were used to assign discipline to articles, and, for that time pe- riod, cross-disciplinary citation rates were higher for Biology and Engineering than for Physics and the Earth Sciences.23 Thed van Leeuwen and Robert Tĳs- sen use ISI categories to assign discipline and measure cross-disciplinary citation (CDC), an indicator that is virtually http:Sciences.23 http:discipline.21 http:categories.18 450 College & Research Libraries They find similar results from all three measures, but they note that this convergence might not hold for other disciplines and that the ISI mul- tiassignation of journals is a less sensitive measure than the other two.19 Pierce studies a more direct form of in- terdisciplinary communication, “bound- ary crossing,” which occurs when authors publish outside their own fields.	cache/crl-15822.pdf	txt/crl-15822.txt
