@article{MM2_1992__76_1_155755,
     author = {Meinolf Geck and G\"otz Pfeiffer},
     title = {Unipotent characters of the chevalley groups {D4(q),} q {ODD.}},
     journal = {Manuscripta mathematica},
     pages = {281--304},
     publisher = {mathdoc},
     volume = {76},
     number = {1},
     year = {1992},
     zbl = {0813.20016},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155755/}
}