R. Rodriguez et al.:
"On the use of Hesitant Fuzzy Linguistic Term Set in FLINTSTONES.";
in: "Fuzzy Systems (FUZZ-IEEE)", issued by: IEEE; IEEE Computer Society Press, 2014, ISBN: 978-1-4799-2073-0, 784 - 791.
http://dx.doi.org/10.1109/FUZZ-IEEE.2014.6891799