id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-16389	O’Neill, Edward T.; Gammon, Julia A.	Consortial Book Circulation Patterns: The OCLC-OhioLINK Study	2014-11-01	17	.pdf	application/pdf	8165	385	53	One early pioneer in studying library collection usage was Richard Trueswell, whose work in the 1960s identified the 80/20 rule, which was first applied to industry and warehousing, and eventually applied to libraries.7 His theory that 80 percent of the usage can be covered by 20 percent of the collection has been a standard assumption among librarians for many years. However, since there were 36 copies available in various OhioLINK libraries, the average annual per item circulation was only 3.53.	cache/crl-16389.pdf	txt/crl-16389.txt