1. Optimized Core Design and Fuel Management of a Pebble-bed Type Nuclear Reactor;Boer,2009
2. Flow of spheres and near spheres in cylindrical vessels, part IV;Gatt,1973
3. Flow of Granular Material from Silos, in Movement of Granular Material and Structure, Fluid Flow and Heat Transfer in Packed Beds;Deutsch,1967
4. A New Method for Radioactive Particle Tracking;Shehata,2005
5. M.Z., Bazant, A.C., Kadak, Pebble flow experiments for pebble bed reactors, in 2nd International Topical meeting on High Temperature Reactor Technology 2004: Beijing, China.