Czech civil aviation air traffic safety in 1999
Letectví + kosmonautika ; 76 , 6
2000
Article (Journal)
Unknown
Emerald Group Publishing | 1980
|Emerald Group Publishing | 1980
|Emerald Group Publishing | 1980
|Emerald Group Publishing | 1980
|The world of civil aviation : 1996 - 1999
TIBKAT | 1998