@article{CMUC_2010__51_2_a4,
     author = {Dray, Tevian and Manogue, Corinne A.},
     title = {Octonionic {Cayley} spinors and $E_6$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {193--207},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {2010},
     mrnumber = {2682473},
     zbl = {1224.17006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2010__51_2_a4/}
}