Richard L. Moore; et al. (May 3, 2007). "Disk and Tape Storage Cost Models"(PDF). San Diego Supercomputer Center, UCSD. Archived(PDF) from the original on 2008-07-25. Retrieved 20 February 2013.
web.archive.org
Richard L. Moore; et al. (May 3, 2007). "Disk and Tape Storage Cost Models"(PDF). San Diego Supercomputer Center, UCSD. Archived(PDF) from the original on 2008-07-25. Retrieved 20 February 2013.