@article{GDZPPN002064502,
title = {A Stiefel complex for the orthogonal group of a field.},
journal = {Commentarii mathematici Helvetici},
volume = {57},
year = {1982},
pages = {11-21},
zbl = {0506.20018},
url = {http://dml.mathdoc.fr/item/GDZPPN002064502}
}
Vogtmann, K. A Stiefel complex for the orthogonal group of a field.. Commentarii mathematici Helvetici, Tome 57 (1982) pp. 11-21. http://gdmltest.u-ga.fr/item/GDZPPN002064502/