@article{Camelbeeck:1586,
      author        = "Camelbeeck, Thierry and Vanneste, Kris and Verbeeck, Koen
                       and Shanov, Stefan and Dimitrov, Dimitar and Pashova, Lubka
                       and Nikolov, Gabriel and Kostov, Konstantin",
      title         = "{Identification of the surface ruptures caused by the two
                       large earthquakes of April 14 and 18, 1928 in southern
                       Bulgaria}",
      year          = "2002",
}