Proceedings and abstracts = Actes et abstraits = Sitzungsprotokoll und Abstrakta : August 8.-12.1984 Helsinki Exhibition and Congress Centre, Helsinki, Finland
Proceedings and abstracts = Actes et abstraits = Sitzungsprotokoll und Abstrakta : August 8.-12.1984 Helsinki Exhibition and Congress Centre, Helsinki, Finland
Proceedings and abstracts = Actes et abstraits = Sitzungsprotokoll und Abstrakta : August 8.-12.1984 Helsinki Exhibition and Congress Centre, Helsinki, Finland
Proceedings and abstracts = Actes et abstraits = Sitzungsprotokoll und Abstrakta : August 8.-12.1984 Helsinki Exhibition and Congress Centre, Helsinki, Finland