@article{MS2_1978__43_166617,
     author = {S.G. Hoggar},
     title = {Bounds for quaternionic line systems and reflection groups.},
     journal = {Mathematica Scandinavica},
     pages = {241--249},
     year = {1978},
     volume = {43},
     zbl = {0398.51006},
     url = {http://geodesic.mathdoc.fr/item/MS2_1978__43_166617/}
}