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
Statistical Considerations in the Employment of Sax (Scanning Electron Microsopy with Automated Image Analysis and X-ray Energy Spectroscopy) Results for Receptor Models. Johnson, D. L; Twist, J. P.	PB83225862	1983	20 pages