http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
viii, 182 p. : ill. (part col.) ; 30 cm.