Rapid formation and development of new theories of systems science have become an important part of modern science and technology. For - ample, since the 1940s,

The further rise of electronic publishing has come to change the scale and diversity of grey literature facing librarians and other information practitioners. T

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

Searching the Grey Literature is for librarians interested in learning more about grey literature. If you have ever been asked for a grey literature search but

Due to inherent limitations in human sensing organs, most data collected for various purposes contain uncertainties. Even at the rare occasions when accurate da