Grey Literature is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en_GB
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“…information produced on all levels of government, academia, business and industry in electronic and print formats not controlled by commercial publishing i.e. where publishing is not the primary activity of the producing body.”
Schöpfel, J. Towards a Prague definition of grey literature. Twelfth International Conference on Grey Literature: Transparency in Grey Literature. Grey Tech Approaches to High Tech Issues.Prague, 6-7 December 2010, Dec 2010, Czech Republic. pp.11-26. sic_00581570. Available from: https://archivesic.ccsd.cnrs.fr/sic_00581570/document
In the health sciences, grey literature is crucial in completing the picture of research on a particular topic. Grey literature can be an important source for:
Source Guide:McMaster (see link and license below)
These were highly regarded sources about grey literature, but they are no longer updated and are not available as current web pages. These links are from the Web Archive (Wayback Machine).
Despite their lack of currency, they may be useful (at least in the short term) as background information.
We gratefully acknowledge that the content of this guide (including links, descriptions, and selected categories) is reused/remixed from the following guides and sources under a Creative Commons Attribution NonCommerical ShareAlike 4.0 International License.
Confirmation of the Creative Commons status of the entire USC guide was also sought and received in writing from the USC Guide Author Karin Saric on 11 July 2019. Reuse permission was granted provided attribution is given.