Stephan van der Waart van Gulik


, 2009a, A fuzzy logic approach to non-scalar hedges, in D. Makinson, J. Malinowski & H. Wansing (eds.), Towards mathematical philosophy, Dordrecht, Springer, pp. 233-248.

, 2009b, Fuzzy logic, concepts and semantic transformers, in R. Seising (ed.), Views on fuzzy sets and systems from different perspectives, Dordrecht, Springer, pp. 79-97.