id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-13350	McDonald, David R.; Maxfield, Margaret W.; Friesner, Virginia G. F.	Sequential Analysis: A Methodology for Monitoring Approval Plans	1979	6	.pdf	application/pdf	3320	157	52	ALTHOUGH APPROVAL PLANS have become widely used in the last ten years as an im- portant acquisitions mechanism , doubts have been expressed regarding the reliabil- ity of such plans. .. 2 Librarians using approval plans must con- tend with two major problems: (1) receipt of unwanted material and (2) nonreceipt of wanted material.	cache/crl-13350.pdf	txt/crl-13350.txt