http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Scientific and Technical Information Division, National Aeronautics and Space Administration; [for sale by Supt. of Docs., U.S. Govt. Print. Off.]
Symposium held July 7-8, 1966, at Massachusetts Institute of Technology and sponsored by the Electronics Research Center, NASA, Cambridge, Massachusetts.