Clustering of elastic energy due to electrohydrodynamics instabilities in nematic liquid crystalsF. Carbone, H. Yoshida, S. Suzuki, A. Fujii, G. Strangi, C. Versace and M. OzakiEPL, 89 4 (2010) 46004DOI: https://doi.org/10.1209/0295-5075/89/46004