AT CROSSROADS IN AIR-TRAFFIC CONTROL .2. VIEW FROM GROUND - INSTRUMENT-LANDING SYSTEMS, AUTOMATED GROUND CONTROL, EN ROUTE AUTOMATION, INTRODUCTION TO COLLISION-AVOIDANCE SYSTEMS, POSITIVE-CONTROL AIRSPACE, IMPROVED COMMUNICATIONS, STOLPORTS, AND TERMINAL NAVIGATIONAL AIDS
D O I:
10.1109/MSPEC.1970.5213472
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];