TY  - BOOK
AU  - Smithson,Michael
AU  - Verkuilen,Jay
TI  - Fuzzy set theory: applications in the social sciences 
SN  - 076192986X
PY  - 2006///
CY  - Thousand Oaks
PB  - Sage Pub.
KW  - Social sciences
KW  - Mathematics
KW  - Fuzzy sets
ER  -