edited by I.L. Mason and W. Pabst.The Commission of the European Communities, Directorate-General for Scientific and Technical Information and Information Management1977.<A163-B2081>
Published by North-Holland for the Commission of the European Communities, Directorate-General for Scientific and Technical Information and Information Management1979.<M157-17>
edited by J. DonéaApplied Science Publishers [for the Commission of the European Communities, Directorate-General for Scientific and Technical Information and Information Management]c1980
edited by L. H. LarssonApplied Science Publishers [for the] Commission of the European Communities, Directorate-General for Scientific and Technical Information and Information Management1980
edited by Gerald Musgrave ; organized by the Commission of the European Communities, Directorate-General for Internal Market and Industrial AffairsPublished by North-Holland for the Commission of the European Communities, Directorate-General for Scientific and Technical Information and Information Management1979