@article{10_37236_607,
     author = {Urban Larsson},
     title = {Blocking {Wythoff} {Nim}},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/607},
     zbl = {1217.91024},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/607/}
}