Saitta, S.Raphael, BSmith, I.F.C.2008-03-062008-03-062008-03-06200710.1007/978-3-540-73499-4_14https://infoscience.epfl.ch/handle/20.500.14299/19886WOS:000248523200013A Bounded Index for Cluster Validitytext::conference output::conference proceedings::conference paper