Model Intervals. - Ernest Gardeñes; Miguel Ángel Sainz; Lambert Jorba; Remei Calm; Rosa Estela; Honorino Mielgo; Albert Trepat (Reliab. Comput., 2001)

Formal Solution to Systems of Interval Linear or Non-Linear Equations. - Miguel Ángel Sainz; Ernest Gardeñes; Lambert Jorba (Reliab. Comput., 2002)

Interval Estimations of Solution Sets to Real-Valued Systems of Linear or Non-Linear Equations. - Miguel Ángel Sainz; Ernest Gardeñes; Lambert Jorba (Reliab. Comput., 2002)

A New Point of View for Fuzzy Numbers and Their Defuzzification. - Romà J. Adillon; Lambert Jorba (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2015)

Quantified trapezoidal fuzzy numbers. - Romà J. Adillon; Lambert Jorba (J. Intell. Fuzzy Syst., 2017)

A Generalization of Trapezoidal Fuzzy Numbers Based on Modal Interval Theory. - Lambert Jorba; Romà J. Adillon (Symmetry, 2017)

Interval Fuzzy Segments. - Lambert Jorba; Romà J. Adillon (Symmetry, 2018)

Modal Interval Probability: Application to Bonus-Malus Systems. - Romà J. Adillon; Lambert Jorba; Maite Mármol (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2020)