TY - JOUR A1 - Alonso, Sergio A1 - Kähler, Ralf A1 - S. Mikhailov, Alexander A1 - Sagués, Francisco T1 - Expanding scroll rings and negative tension turbulence in a model of excitable media JF - Phys. Rev. E Y1 - 2004 U6 - https://doi.org/10.1103/PhysRevE.70.056201 VL - 70 IS - 5 SP - 056201 PB - American Physical Society ER -