@article{Kambe:1873,
      author        = "Kambe, E. and  Hirata, R. and  Ando, H. and  Cuypers, J.
                       and  Katoh, M. and  Kennelly, E. J. and  Walker, G. A. H.
                       and  Tarasov, A. E.",
      title         = "{Multiperiodicity of ζ Ophiuchi from Multisite
                       Observations}",
      year          = "1997",
}