@inbook {bilgicc2013membership, title = {The Membership Function and Its Measurement}, booktitle = {On Fuzziness}, year = {2013}, pages = {47{\textendash}53}, publisher = {Springer Berlin Heidelberg}, organization = {Springer Berlin Heidelberg}, author = {Taner Bilgi{\c c}}, editor = {Seising R, Trillas E, Moraga C, Termini S} }