@article{10_4153_S0008439518000115,
     author = {Collari, Carlo and Lisca, Paolo},
     title = {Symmetric {Union} {Diagrams} and {Refined} {Spin} {Models}},
     journal = {Canadian mathematical bulletin},
     pages = {451--468},
     year = {2019},
     volume = {62},
     number = {3},
     doi = {10.4153/S0008439518000115},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439518000115/}
}