TY  - BOOK
AU  - Aldenderfer,Mark S.
AU  - Blashfield,Roger K  .
TI  - Cluster analysis / 
SN  - 0803923767
U1  - 519.53 
PY  - 1984///
CY  - London : 
PB  - Sage Publications , 
KW  - CLUSTER THEORY
N1  - Includes index
ER  -