TY  - BOOK
AU  - Bo Yuan,George J. Klir.
TI  - Fuzzy sets and fuzzy ligic: theory and applications 
SN  - 8120311361 :
U1  - 519.5 
PY  - 2002///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Commercial statistics
ER  -