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Annual report 1970
2.97 MB
Annual report 1971 (German)
3.52 MB
Annual report 1972 (German)
5.79 MB
Annual report 1973 (German)
1.7 MB
Annual report 1974 (German)
1.76 MB
Annual report 1975 (German)
1.36 MB
Annual report 1976 (German)
1.42 MB
Annual report 1977 (German)
2.27 MB
Annual report 1978
2.41 MB
Annual report 1979 (German)
2.7 MB
