TY  - BOOK
AU  - Ryzin,J.Van
TI  - Classification and clustering 
SN  - 0127142509
U1  - 519 VAN  
PY  - 1977///.
CY  - New York : 
PB  - Academic Press, 
KW  - Discriminant analysis--Congresses
KW  - Cluster analysis--Congresses
ER  -