Dynamical scaling analysis of plant callus growth J. Galeano, J. Buceta, K. Juarez, B. Pumariño, J. de la Torre and J. M. Iriondo Europhys. Lett., 63 1 (2003) 83-89 Published online: 01 June 2003 DOI: 10.1209/epl/i2003-00481-1