Mode of access: Internet via the NASA Web site. Address as of 7/8/04: http://spacelink.nasa.gov/Instructional.Materials/NASA.Educational.Products/Designing.the.21st.Century.Aerospace.Vehicle/21st.Century.Aerospace.Vehicle.pdf; current access is available via PURL.
Note
Title from title screen (viewed on July 8, 2004).
Date of issue from prelim. page.
GPO Cataloging Record Distribution Program (CRDP).