@article{MAN_1993__297_3_165135,
     author = {Richard Weiss},
     title = {Graphs which are locally {Grassmann.}},
     journal = {Mathematische Annalen},
     pages = {325--334},
     year = {1993},
     volume = {297},
     number = {3},
     zbl = {0847.20034},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165135/}
}