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The NTIS database is an in-depth source of unclassified government reports from both US and international governments. The complete electronic file contains over 2.0 million records dating from 1964 to the present day with over 30,000 new records added each year. The NTIS database is widely regarded as the largest central resource currently available of government-funded scientific, technical engineering, and business related information. Examples of government sources providing documents to NTIS include the National Aeronautics and Space Administration (NASA), the United States Departments of Energy and Defense, the German Federal Ministry of Research and Technology and the Japan Ministry of International Trade and Industry.
Companion printed or microform indexes provide access to the titles that predate the online database.
- ↑ "NTIS Bibliographic Database website, http://www.ntis.gov/products/ntisdb.aspx. Accessed on February 16, 2010.