1. Collisional evolution of asteroids: Population, rotations, and velocities;Davis,1979
2. Fragmentation and distribution of asteroids;Dohnanyi,1971
3. Jupiter;Gehrels,1970
4. Results of Pioneer 10 and 11 meteoroid experiments: Interplanetary and near-Saturn;Humes;J. Geophys. Res.,1980
5. Estimate of particle densities and collision danger for apacecraft moving through the asteroid belt;Kessler,1971