@article{JAC_2005__22_2_a1,
     author = {Speyer, David and Williams, Lauren},
     title = {The tropical totally positive {Grassmannians}},
     journal = {Journal of Algebraic Combinatorics},
     pages = {189--210},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2005},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/JAC_2005__22_2_a1/}
}