1990
乱気流 タービュランス Turbulence 1997
1990
1960
1980
1990
2010
1990
2010
2000
1980
1950
1980
1990
1990
1990
2010
1970
1970
1980
1930
1930
1920
1920
1920
1920
1910
1910
1910
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930