Pastor-Satorras, RomualdoVespignani, Alessandro2004-12-272004-12-2720012001http://hdl.handle.net/2003/1936910.17877/DE290R-2107enThe American Physical SocietyPhysical Review Letters530Epidemic Spreading in Scale-Free Networks10.1103/PhysRevLett.86.3200article (journal)