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1
Armbruster, P.
1965
1965
OpenAccess OpenAccess
2
Armbruster, P.
1965
1965
OpenAccess OpenAccess
3
Maier-Leibnitz, H.
1965
1965
OpenAccess OpenAccess
4
Maier-Leibnitz, H.
1965
1965
OpenAccess OpenAccess
5
Hovestadt, D.
1964
1964
OpenAccess OpenAccess
6
Armbruster, P.
1964
1964
OpenAccess OpenAccess