Except for ERIC, which is created by federal funds and costs a nominal $1,800 per year, the above citation databases are created as proprietary products by commercial firms. These firms then license their databases to libraries. Currently the SUS libra ries are splitting the cost of the data licenses and paying for them with Book OCO. For all the databases, the costs are divided based on FTE student enrollment. The total SUS costs are as follows:
Some libraries also have ERIC and ASTI on CD-ROM because the CD-ROM product has search and print capabilities beyond those currently available in the LUIS system. Many of the CD-ROM products in the libraries support programs unique to an institution or are only available in the CD-ROM medium at this time.
The mix of mainframe, CD-ROM (either standalone or networked), online, and paper indexes currently in the libraries will sort itself out based on need--libraries will continue to have literally dozens of additional citation databases to provide access to the literature. The academic program mix at each institution will guarantee a continuing local need that will not be practical to meet at the SUS level. The plan's emphasis is to license general citation databases and mount them on the mainframe to vas tly improve access for thousands of lower and upper division undergraduates to the core liberal arts and sciences journals for the SUS baccalaureate program. The basis for selection should be that most of the SUS libraries can provide access to most of t he literature cited in the mainframe databases.