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       To solve the problem of access to unpublished documents in  the
  field of scientific research, technology and social and  economic
  sciences, a group of European documentation centres,  aided by the
  Commission of the European Communities, decided in  1981 to develop a
  cooperative information system to identify and  supply this type of
  document, termed grey or non-conventional  literature.
       Grey literature comprises reports, minutes, technical  reports,
  papers, regulations, working documents and notices issued  by local
  authorities which are not published and which cannot  therefore be
  obtained through  the normal commercial publication  channels.
       It was the tremendous problems involved in the  identification,
  acquisition and bibliographical control of this  type of literature
  which led the principal European information  and documentation centres
  to set up SIGLE (System of Information  on Grey Literature in Europe).
       To enable the development of the SIGLE system, backed by the
  Commission for four years, to continue, a European association has  been
  set up under Luxembourg law: EAGLE (European Association of  Grey
  Literature Exploitation), comprising major Belgian, British,  French,
  German, Italian, Luxembourgish and Dutch information and  documentation
  centres.  Its main aim is to promote the  exploitation of European grey
  literature and to continue to  improve services to European users
  through the SIGLE data base.
       More than 80 000 documents are now stored in the SIGLE data  base
  and the number is growing steadily by some 30 000 documents a  year.
       The fields covered include: aeronautics, agriculture,  phytology
  and veterinary sciences, the social sciences, biological  and medical
  sciences,  chemistry, the geo-sciences, electronics  and electricity,
  energy, materials, mathematics, civil, industrial  and marine
  engineering, methods and equipment, military science,  missile
  technology, navigation and telecommunications,  shipbuilding, physics,
  propulsion and fuels, and space technology.
       The SIGLE data base is availablef for on-line documentary  research
  via Euronet DIANE, accessed on BLAISE-LINE in the United  Kingdom and
  INKA in the Federal Republic of Germany.
       information on EAGLE and the SIGLE data base can be obtained  from:
       Mr. Marcel Maurice
       Commission of the European Communities
       DG XIII-A-2
L-2920 LUXEMBOURG.

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