1. On-board planning and control of 4D-trajectories in the TMA;Adam,1989
2. Investigations on four-dimensional guidance in the TMA;Adam;AGARD CP-340,1983
3. Towards a single system for air traffic control in Europe;AEA,1989
4. Singular perturbation analysis of optimal flight profiles for transport aircraft;Aggarwal,1977
5. Future ATS system concept description;Eurocontrol doc. 871007,1987