1990
乱気流 タービュランス Turbulence 1997
1990
1990
1990
2000
1990
1920
1980
1990
1980
2010
1970
1960
1990
1940
2010
1990
1990
1990
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1980
1980
1980
1980
1980
1980
1990
1980
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970
1970