@article {IOPORT.50150212,
    author       = {Pesarin, Fortunato and Salmaso, Luigi},
    title        = {A review and some new results on permutation testing for multivariate problems},
    year         = {2012},
    journal      = {Statistics and Computing},
    volume       = {22},
    number       = {2},
    pages        = {639-646},
    doi          = {10.1007/s11222-011-9261-0},
    identifier   = {50150212},
}