Bou-Diab, MalekJ. W. Dodgson, Matthew2004-12-142004-12-1420012001http://hdl.handle.net/2003/1893910.17877/DE290R-1691enThe American Physical SocietyPhysical Review Letters530Vortex Collisions: Crossing or Recombination?10.1103/PhysRevLett.86.5132article (journal)