@article{JLT_2007_17_4_JLT_2007_17_4_a5,
     author = {N. Bernhardt and P.-A. Nagy },
     title = {Spin {Holonomy} {Algebras} of {Self-Dual} {4-Forms} in {R\protect\textsuperscript{8}}},
     journal = {Journal of Lie theory},
     pages = {829--856},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JLT_2007_17_4_JLT_2007_17_4_a5/}
}