Zanin, Massimiliano and Sousa, Pedro and Papo, David and Bajo Breton, Ricardo and García Prieto, Juan and Pozo, Francisco del and Menasalvas Ruiz, Ernestina and Boccaletti, Stefano  (2012).  Optimizing Functional Network Representation of Multivariate Time Series.   "Scientific Reports", v. 2  (n. 630);   pp. 1-4.  ISSN 2045-2322.   https://doi.org/10.1038/srep00630 <https://doi.org/10.1038/srep00630>.