Problemas contemporáneos de la actividad aeronáutica y del espacio

Werner Guldímann ! FREEDON AND OR OON.TROL IN INTERNATIONAL CIVIL AVIATION COST INCREASE IMPORTANT ECONOMIC FACTORS 'INFLATION THE RESULT OVERCAPACITY - OVERCOMPETITION UNPROFITABILITY FINANCIAL DIFFICULTIES QUASI-PERMANENT ELEMENTS FOR THE FUTURE SCHEDULIZED BULK TRAFFIC ALL NATIONS' PARTICIPATION RECESSION NArrONALGWNE RSHIP lN-.:fRAFFlO P9Tt-NTI.At. . . IMPORTANCE OF CIVIL AVIATION