http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Aeronautics and Space Administration.
Scientific and Technical Information Office.
iv, 128 pages : illustrations, maps ; 29 x 37 cm.
prepared for the Office of Space Sciences, National Aeronautics and Space Administration ; authors and editors, Merton E. Davies ... [and others].
No longer available for sale by the Supt. of Docs., U.S. G.P.O.
Includes bibliographical references (pages 122-123) and index.
Also available via Internet from the NASA History Office web site. Address as of 6/22/06: http://history.nasa.gov/SP-423/sp423.htm; current access is available via PURL.