The birth of defects in pattern formation: Testing of the Kibble–Zurek mechanismS. Casado, W. González-Viñas, S. Boccaletti, P. L. Ramazza and H. ManciniEur. Phys. J. Special Topics, 146 (2007) 87-98DOI: https://doi.org/10.1140/epjst/e2007-00171-2