@article{coscia2018arborescence,
    author = {Coscia, Michele},
    journal = {PLOS ONE},
    publisher = {Public Library of Science},
    title = {Using arborescences to estimate hierarchicalness in directed complex networks},
    year = {2018},
    month = {01},
    volume = {13},
    url = {https://doi.org/10.1371/journal.pone.0190825},
    pages = {1-18},
    number = {1},
    doi = {10.1371/journal.pone.0190825}
}