Concepts: a tutorial / Edouard Machery
Fuzzy logic: a tutorial / Radim Belohlavek, George J. Klir
"Slow lettuce": categories, concepts, fuzzy sets, and logical deduction / Eleanor H. Rosch
Fallacious perceptions of fuzzy logic in the psychology of concepts / Radim Belohlavek, George J. Klir
Representing concepts by fuzzy sets / Jay Verkuilen, Rogier A. Kievit, Annemarie Zand Scholten
Formal concept analysis: classical and fuzzy / Radim Belohlavek
Conceptual combinations and fuzzy logic / James A. Hampton
Concepts and natural language / James A. Hampton.
Concepts and fuzzy logic. ISBN 9780262016476. Published by MIT Press in 2011. Publication and catalogue information, links to buy online and reader comments.