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Cited Sources

Note 1: Dellavalle, Robert P., Eric J. Hester, Lauren F. Heilig, Amanda L. Drake, Jeff W. Kuntzman, Marla Graber, and Lisa M. Schilling. "Information Science: Going, Going, Gone: Lost Internet References." Science 302, no. 5646 (October 31, 2003), 787-8. Analyzed journals included the New England Journal of Medicine, the Journal of the American Medical Association, and Science. A separate study found that up to 33% of footnote citations did not yield the quoted source (See Scott Carlson, "Scholars Note 'Decay' of Citations to Online References," The Chronicle of Higher Education 51, no. 28 (March 14, 2005), A30.

Note 2: "Electronic Research Resources" survey of 7,403 faculty conducted in 2003 by Odyssey, a market research firm, on behalf of Ithaka (unpublished).

Note 3: Amy Friedlander, Dimension and Use of the Scholarly Information Environment (Washington: Digital Library Federation and Council on Library and Information Resources, 2002), Table 68.

Note 4: "Electronic Research Resources" survey.

Note 5: Average 2003-04 library expenditures for electronic materials was $2,718,015. See Mark Young and Martha Kyrillidou, ARL Statistics 2003-04 (Washington: Association of Research Libraries, 2005).

Last updated on March 30, 2007