ISSN 0010-8073
JOURNAL OF THE INTERNATIONAL FEDERATION OF AIR TRAFFIC CONTROLLERS' ASSOCIATIONS
4/83 BERN. SWITZERLAND
4TH QUARTER 1983
VOLUME 22
SFrs 5.-
ISSN 0010-8073
JOURNAL OF THE INTERNATIONAL FEDERATION OF AIR TRAFFIC CONTROLLERS' ASSOCIATIONS
4/83 BERN. SWITZERLAND
4TH QUARTER 1983
VOLUME 22
SFrs 5.-