National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count	Download
Proceedings: 1991 Joint Symposium on Stationary Combustion NOx Control. Held in Washington, DC. on March 25-28, 1991.	PB93212835	1991	1236 pages
Stationary Combustion NOx Control: A Summary of the 1991 Symposium. Held in Washington, DC., March 25-28, 1991. Kokkinos, A; Cichanowicz, J. E; Hall, R. E; Sedman, C. B.	PB92121375	1991	10 pages