@article{SIGMA_2016_12_a4,
     author = {Ross Street},
     title = {Weighted {Tensor} {Products} of {Joyal} {Species,} {Graphs,} and {Charades}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a4/}
}