National Technical Information Service (NTIS)

Summary:

Includes full text, technical publications from the U.S. Government. 

About this resource:

 Provides full text access to government-sponsored technical reports from 1964 to 2000. Reports cover science & engineering, biology, business, computer science, environmental studies, and mathematics.

Tutorial or Research Guide: http://www.ntis.gov/pdf/dbguid.pdf

This resource is open to the general public.