

Variously defined as unconventional literature, literature not available via traditional publishing, and publications with little or no general distribution, grey literature represents an immense stash of information that is crucial to various researchers and information professionals...

The aim of each volume of this series Guides to Information Sources is to reduce the time which needs to be spent on patient searching and to recommend the best starting point and sources most likely to yield the desired information. The criteria for selection provide a way into...