@inproceedings{PercoEtching,
     author = "Desolneux, A. and Sapoval, B. and Baldassarri, A. ",
     title  = "Self-Organized Percolation Power Laws with and without Fractal
               Geometry in the Etching of Random Solids ",
     booktitle = "Fractal Geometry and Applications: A Jubilee of Benoit
                  Mandelbrot ",  
     editor = "M.L. Lapidus and M. van Frankenhuijsen",
     year   = "2004", 
     series = "Proceedings of Symposia in Pure Mathematics ",
     volume = " 72 (2)",
     publisher = "{A}merican {M}athematical {S}ociety",
     pages  = " 485--505 "
     }