id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-12396	McGee, Rob	Key Factors of Circulation System Analysis and Design	1972	13	.pdf	application/pdf	5527	210	53	transactions be- tween the library and its users are cre- ated by combining user data, item data, and time data. Media (source records) and methods by which user data and item data may be initially presented to the system are indicated by Figures 3 and 4, which distinguish between the active participation of users in making their identifications, and the passive na- ture of items is being identified.	cache/crl-12396.pdf	txt/crl-12396.txt