Other Resources for finding technical data and documents
e-FluidsA free one-stop resource for fluid dynamics and flow engineering
MatWeb: Material Property DataMatWeb is a searchable database of material properties. it covers thermoplastic, thermoset polymers, metals, ceramics, semiconductors, fibers, and other engineering materials.
National Technical Information Service (NTIS)NTIS is the federal government's central source for the sale of scientific, technical, engineering, and related business information by or for the U.S. government and complementary materials from international sources. You can access information on more than 750,000 of these products from this web site. Additionally, many records now include free links to the full-text publication on an agency's web site, or can be downloaded directly from the NTIS archival copy for a nominal charge.
TRIS Online - National Transportation LibraryFree Internet database by the Transportation Research Information Services. Provides access to almost 450,000 records of Over 470 serial publications are regularly indexed and abstracted for the database. Published transportation research.