NTRS: NASA Technical Reports Server

NTRS, the NASA Technical Reports Server, is an excellent resource for scientific and technical information. In operation since 1994, NTRS includes NASA‐produced aerospace information, such as research reports, journal articles, conference papers, and mission‐related operational documents, as well as domestic and international scientific and technical information “pertinent to NASA's missions and Strategic Enterprises”.

NTRS collects scientific and technical information both from NASA's technical report servers and from non‐NASA sites, using the Open Archives Initiative Protocol for Metadata Harvesting. There is no charge to search NTRS which it is not a completely full‐text database. Many records included do contain links to...