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
Adaptation of Aquatic Microbial Communities to Pollutant Stress. Barkay, T; Pritchard, H.	PB89120901	1988	8 pages
Conjugal Gene Transfer to Aquatic Bacteria Detected by the Generation of a New Phenotype. Barkay, T; Liebert, C; Gillman, M.	PB93169068	1993	10 pages