No biography available for Gerd Böckmann.
1974
1980
1977
1986
2013
2001
1969
1980
1979
1963
1974
1974
1981
2008
1977
1988
2010
1993
1994
1973
1999
1975
1983
1980
1984
1976
1968
2011
1967
1970
1977
1974
1981
2009
2001
1984
1969
1993
1972
1982
1992
1976
1972
1982
1974
1979
1996