Failure time and critical behaviour of fracture precursors in heterogeneous materials A. Guarino, S. Ciliberto, A. Garcimartín, M. Zei and R. Scorretti Eur. Phys. J. B, 26 2 (2002) 141-151 Published online: 15 March 2002 DOI: 10.1140/epjb/e20020075