@article{Vanneste:1525,
      author        = "Vanneste, Kris and Radulov, Alexander and De Martini,
                       Paolo and Nikolov, Gabriel and Petermans, Toon and
                       Verbeeck, Koen and Camelbeeck, Thierry and Pantosti,
                       Daniela and Dimitrov, Dimitar and Shanov, Stefan",
      title         = "{Paleoseismologic investigation of the fault rupture of
                       the 14 April 1928 Chirpan earthquake (M 6.8), southern
                       Bulgaria}",
      year          = "2006",
}