Actes de la VIIe assemble e ge ne rale tenue a   Helsinki du 12 au 17 Aou t 1979 = Acts of the 7th general assembly held in Helsinki August 12-17, 1979
By: ed. by Andris Barblan.
Contributors: Barblan, Andris.
Publisher: The Conference
Published: 1980
Place of publication: Gene  ve
Language: eng