http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
perspectives from the NAEP 1990 and 1992 assessments
National Center for Educational Statistics
John A. Dossey ... [and others] ; prepared by Educational Testing Service under contract with the National Center for Education Statistics.
National Assessment of Educational Progress (Project)
Report (Educational Testing Service) ; no. 23-FR-02