00316nam a2200121Ia 4500082002100000100002200021245002800043260003100071300002200102490006000124500000500184700000500189  a519.538bH329.CA  aHartigan, John A.  aClustering algorithmsb  aNew YorkbJohn Wileyc1975  axiii, 351p. Index  aWiley series in Probability and Mathematical Statistics  a  a