@article{DOCMA_2001__S7__a2,
     author = {Knus, Max-Albert and Villa, Oliver},
     title = {Quadratic quaternion forms, involutions and triality},
     journal = {Documenta mathematica},
     pages = {201--218},
     publisher = {mathdoc},
     volume = {Proc. Conf. Baton Rouge, March 26-30,2001},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2001__S7__a2/}
}