POPULATION MODELS FOR SMALL-SIZE SPACE DEBRIS Programme Discovery Programme Reference 1991-3 Contractor BATTELLE Start Date 1991 End Date 1991 Country Germany More Like This Possible “Multiplier effect” of ESA R&D budgets Applications and Implementations of atom-based Inertial Quantum Sensors New Design Methodologies and Techniques New Design Methodologies and Techniques fundamental issues in the aerothermodynamics of planetary-atmosphere (re)entry