@article{Hensberge:2447,
      author        = "Hensberge, H. and  van Dessel, E. L. and  Burger, M. and 
                       de Zeeuw, P. T. and  Lub, J. and  Lepoole, R. S. and 
                       Verschueren, W. and  David, M. and  Theuns, T. and  De
                       Loore, C. and  de Geus, E. J. and  Mathieu, R. D. and 
                       Blaauw, A.",
      title         = "{High precision radial velocity determinations for the
                       study of the internal kinematical and dynamical structure
                       and evolution of young stellar groups.}",
      year          = "1990",
}