1. Smarandache F. , Neutrosophy, Neutrosophic Probability, Set, and Logic, Amer Res Press, Rehoboth, USA, 1998.
2. n-Valued refined neutrosophic logic and its applications in physics;Smarandache;Progress in Physics,2013
3. (t,i,f)-neutrosophic structures and I neutrosophic structures;Smarandache;Neutrosophic Sets and Systems,2015
4. Neutrosophic refined similarity measure based on cosine function;Broumi;Neutrosophic Sets and Systems,2014
5. Neutrosophic set, a generalization of the intuitionistic fuzzy sets;Smarandache;International Journal of Pure and Applied Mathematics,2005