Aguiar, Sergio S., Roque M. P. Trindade, Alexsandra O. Andrade, Alzira F. Silva, and Gonçalo R. Cerquiera. 2020. “Using the Interval Metric for Modeling Entities Geometrics in R2 – Case Study Interval Circumference”. Trends in Computational and Applied Mathematics 21 (1):65. https://doi.org/10.5540/tema.2020.021.01.65.