http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Origins, roadmap for the Office of Space Science origins theme
Roadmap for the Office of Space Science origins theme
Astronomical Search for Origins & Planetary Systems Subcommittee.
47 pages : illustrations (some color) ; 28 cm.
Includes bibliographical references (page 47).