System for Information on Grey Literature in Europe

• abstract: The “System for Information on Grey Literature in Europe” (SIGLE) was established in 1980, two years after a seminar on grey literature organised by the European Commission in York (UK). Operated by a network of national information or document supply centres active in collecting and promoting grey literature, SIGLE was an on line, pan-European electronic bibliographic database and document delivery system.

以上来源于: WordNet