@article{DMGT_2009_29_3_a4,
     author = {Castej\'on, Alberto and Ostrovskii, Mikhail},
     title = {Minimum congestion spanning trees of grids and discrete toruses},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {511--519},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2009_29_3_a4/}
}