Sandstede, BjörnScheel, Arnd2004-12-102004-12-1020012001http://hdl.handle.net/2003/1803110.17877/DE290R-11892enThe American Physical SocietyPhysical Review Letters530Superspiral Structures of Meandering and Drifting Spiral Waves10.1103/PhysRevLett.86.171article (journal)