@article{10_37236_1914,
     author = {Dwight Duffus and Bill Sands},
     title = {Splitting numbers of grids},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1914},
     zbl = {1060.06005},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1914/}
}