http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
variability time scale of H Ly-[alpha] from Uranus
Title from title screen (viewed Apr. 29, 2009).
Mode of access: Internet from the NTRS web site. Address as of 04/29/09: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880011723%5F1988011723.pdf ; current access is available via PURL.