TY  - BOOK
AU  - Pagliani, Piero
AU  - Chakraborty, Mihir
TI  - A geometry of approximation: rough set theory: logic, algebra and topology of conceptual patterns
SN  - 9781402086212
U1  - 511.322 
PY  - 2008///
CY  - Berlin
PB  - Springer
KW  - Rough sets
ER  -