@book{lughofer2011evolving,
  title={Evolving Fuzzy Systems - Methodologies, Advanced Concepts and Applications},
  author={Lughofer, E.},
  isbn={9783642180873},
  series={Studies in Fuzziness and Soft Computing},
  year={2011},
  publisher={Springer Berlin Heidelberg},
  pages=269
}

@book{podosky1985vagueness,
  publisher={Monash University},
  title={Vagueness, Bivalence and the Sorites Paradox},
  author={Podosky, M.P.},
  year={1985}
}

@book{buckley2002introduction,
  title={An Introduction to Fuzzy Logic and Fuzzy Sets},
  author={Buckley, J.J. and Eslami, E.},
  isbn={9783790814477},
  lccn={20025287},
  series={Advances in Intelligent and Soft Computing},
  year={2002},
  publisher={Physica-Verlag HD},
  pages=21
}

@book{ross2009fuzzy,
  title={Fuzzy Logic with Engineering Applications},
  author={Ross, T.J.},
  isbn={9780470748510},
  lccn={2009033736},
  year={2009},
  publisher={Wiley}
}

@book{lieb1993linguistic,
  title={Linguistic Variables: Towards a unified theory of linguistic variation},
  author={Lieb, H.H.},
  isbn={9789027277039},
  series={Current Issues in Linguistic Theory},
  year={1993},
  publisher={John Benjamins Publishing Company},
  pages=144
}

@book{rajasekaran2003neural,
  title={NEURAL NETWORKS, FUZZY LOGIC AND GENETIC ALGORITHM: SYNTHESIS AND APPLICATIONS (WITH CD)},
  author={RAJASEKARAN, S. and PAI, G.A.V.},
  isbn={9788120321861},
  year={2003},
  publisher={PHI Learning}
}