Je ne sait si ces liens ont déjà été cités !
http://www.rka-statistics.com/
http://www.nasa-statistics.com/
dont
http://www.rka-statistics.com/contents.php3?ContentFile=soyuz/launch/launch.html
http://www.nasa-statistics.com/contents.php3?ContentFile=spaceshuttle/launch/launch.html
http://www.rka-statistics.com/soyuz/statistics.html
http://www.nasa-statistics.com/spaceshuttle/statistics.html
http://www.rka-statistics.com/
http://www.nasa-statistics.com/
dont
http://www.rka-statistics.com/contents.php3?ContentFile=soyuz/launch/launch.html
http://www.nasa-statistics.com/contents.php3?ContentFile=spaceshuttle/launch/launch.html
http://www.rka-statistics.com/soyuz/statistics.html
http://www.nasa-statistics.com/spaceshuttle/statistics.html