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
Expert System for Estimates of Molecular Weights of Volatile Organic Compounds from Low-Resolution Mass Spectra. Scott, D. R.	PB91242990	1991	15 pages
Improved Method for Estimating Molecular Weights of Volatile Organic Compounds from Low Resolution Mass Spectra. Scott, D. R.	PB92166685	1991	13 pages
Rapid and Accurate Method for Estimating Molecular Weights of Organic Compounds from Low Resolution Mass Spectra. Scott, D. R.	PB93229383	1992	12 pages