research on the internet :: gray literature
What is Gray Literature?
U.S. Interagency Gray Literature Working Group's, "Gray Information Functional
Plan," established in January 1995, defines gray literature as "Foreign
or domestic open source material that usually is available through specialized
channels and may not enter normal channels or systems of publication,
distribution, bibliographic control, or acquisition by book sellers or
GrayLIT Network: A Science Portal of Technical Reports
For more information, see
publications from the Agricultural Experiment Station and Extension Services
fit into the category of gray literature. However, due to the development
of the internet, many extension publications are available on the Web
in PDF format. A search engine specializing in searching documents created
in PDF format is a handy tool to retrieve gray literatures.
One such search engine can be found at
further information, OSU has also developed the Extension Service website