1981. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1982. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1983. 102 Type: model:periodicalitem and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1984. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1985. 102 Type: model:periodicalitem and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1986. 102 Type: model:periodicalitem and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1987. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1988. 102 Type: model:periodicalitem and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1989. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
1990. 102 Type: model:periodicalitem and TEXT Language: German Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public