TY  - BOOK
AU  - Lausen, Berthold (Ed.)
AU  - Klar, Rudiger (Ed.)
AU  - Opitz, Otto (Ed.)
TI  - Information and classification: : Concepts, methods, and applications 
SN  - 0387567364
PY  - 1993///
CY  - Berlin: 
PB  - Springer-Verlag, 
ER  -