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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.[1] 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.

Top 10 Non-U.S. Contributors to NTIS (Fiscal Year 2004)
Country Citations
Canada 1305
Sweden 250
United Kingdom 176
Australia 120
Mexico 86
Germany 82
France 78
Italy 75
Norway 72
Netherlands 47

Companion printed or microform indexes provide access to the titles that predate the online database.


  1. "NTIS Bibliographic Database website, http://www.ntis.gov/products/ntisdb.aspx. Accessed on February 16, 2010.

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