Discrete Scaling in Earthquake Precursory Phenomena: Evidence in the Kobe Earthquake, Japan Anders Johansen, Didier Sornette, Hiroshi Wakita, Urumu Tsunogai, William I. Newman et Hubert Saleur J. Phys. I France, 6 10 (1996) 1391-1402 DOI: 10.1051/jp1:1996143