Raquel Aoki, Renato Assunção, and Pedro de Melo. 2016.
 Measuring the size of the surprise box in football leagues. In <em>Proceedings of the 31st Brazilian Symposium on Databases</em>, October 04, 2016, Salvador/BA, Brasil. SBC, Porto Alegre, Brasil, 211-216. DOI: <a href="https://doi.org/10.5753/sbbd.2016.24330">https://doi.org/10.5753/sbbd.2016.24330</a>.