@article{JAC_2007__25_3_a1,
     author = {Speyer, David E.},
     title = {Perfect matchings and the octahedron recurrence},
     journal = {Journal of Algebraic Combinatorics},
     pages = {309--348},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2007__25_3_a1/}
}