http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Report of the National Academy of Sciences National Research Council fiscal year 1943-1944
Report of National Academy of Sciences, 1944
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Dec. 2009). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection