TY  - BOOK
AU  - Kaufaman, Leonard
AU  - Rousseeuw, Peter J.
TI  - Finding groups in data: An introduction to cluster analysis
T2  - Wiley series in probability and mathematical statistics
SN  - 0471878766
U1  - 519.53 
PY  - 1990///
CY  - New York
PB  - Wiley Interscience publication
ER  -