References
Alejandro Sobrino
with Puente, C. , Olivas, J. (2012)., Retrieving crisp and imperfect causal sentences in texts: from single causal sentences to mechanisms, in R. Seising & V. Sanz González (eds.), Soft computing in humanities and social sciences, Dordrecht, Springer, pp. 175-194.
(2012)., The role of synonymy and antonymy in "natural": fuzzy prolog, in R. Seising & V. Sanz González (eds.), Soft computing in humanities and social sciences, Dordrecht, Springer, pp. 209-236.