Provides indexing and abstracts to technical reports from both U.S. and non-U.S. sponsored research. Compiled by the U.S. National Technical Information Service, the database covers topics in the sciences, engineering, business, and social sciences. Users must register with NTRL and accept terms and conditions to gain access. (Restricted to 10 downloads per session.)
National Techincal Information Service
Freely accessible to the public via the Internet.