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].
Title from title screen (viewed Aug. 25, 2006)
No longer available for sale by the Supt. of Docs., U.S. G.P.O.
Also available in print and 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.
Electronic reproduction. [Washington, D.C.] : NASA, Scientific and Technical Information Office, [2004?] PDF and HTML
Mode of access: World Wide Web; Adobe Acrobat required.
Includes bibliographical references (pages 122-123) and index.