TY  - BOOK
AU  - Kaufman,Leonard
AU  - Rosseeum, Peter J.
TI  - Finding groups in data: an introduction to cluster analysis 
SN  - 0471878766
AV  - QA278  .K88 1989
PY  - 1989///
CY  - New York
PB  - John Wiley
KW  - Cluster analysis
ER  -