@article{Tsvetkova:2078,
      author        = "Tsvetkova, K. and  Tsvetkov, M. and  Stavinschi, M. and 
                       Fresneau, A. and  Lampens, P.",
      title         = "{Astrometric Plate Catalogues in the WFPDB .}",
      year          = "2005",
}