Markl, Martin Max Planck Institute for Mathematics, Max Planck Society;
Markl_Bipermutahedron_oa_2015.pdf (Any fulltext), 389KB
Markl, M. (2015). Bipermutahedron and biassociahedron. Journal of Homotopy and Related Structures, 10(2), 205-238. doi:10.1007/s40062-013-0053-4.