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5652 documents found.

The Netherlands.

Published: | Beukers, B.

USSR.

Published: | Babkov, V.F.

Yugoslavia.

Published: | Topolnik, D.

Austria.

Published: | Marx, E. & Rudelstorfer, K.

Belgium.

Published: | Lefevre, P.

Democratic Republic of Germany.

Published: | Näser, R.

Federal Republic of Germany.

Published: | Hiersche, E.U.

Finland.

Published: | Wahlgren, O.

France.

Published: | Belli-Riz, M.J.

Hungary.

Published: | Banoczy, I.