@article{eprints1168, year = {1999}, journal = {Physical Review Letters}, title = {Comment on ?First-Order Transition in the Breakdown of Disordered Media?}, publisher = {American Physical Society}, number = {7}, month = {August}, volume = {83}, author = {Guido Caldarelli and Alberto Petri}, pages = {1483}, note = {{\copyright} 2000 American Physical Society}, url = {http://eprints.imtlucca.it/1168/} }