Hwang, W.Krapivsky, P. L.Redner, S.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1911610.17877/DE290R-12708enThe American Physical SocietyPhysical Review Letters530Reply: Hwang, Krapivsky, and Redner10.1103/PhysRevLett.86.4719article (journal)