http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tables of molecular vibrational frequencies
Title from title screen (viewed on June 1, 2012).
"Supersedes and extends the data contained in Tables of molecular vibrational frequencies, NSRDS-NBS-6, part 1; NSRDS-NBS-11, part 2; and NSRDS-NBS-17, part 3."