Cluster evolution in spin crossover systems observed in the frame of a mechano-elastic model C. Enachescu, M. Nishino, S. Miyashita, A. Hauser, A. Stancu and L. Stoleriu EPL, 91 2 (2010) 27003 Published online: 04 August 2010 DOI: 10.1209/0295-5075/91/27003