@incollection {stab-clust-mfo,
    AUTHOR = {Gunnar Carlsson and Facundo M{\'e}moli},
     TITLE = {Stabilityof Clustering Methods},
 BOOKTITLE = {Computational Algebraic Topology, Report No. 29/2008},
    SERIES = {MFO reports},
     PAGES = {1640--1642},
      YEAR = {2008},
}