@article{10_4153_CJM_1999_018_2,
     author = {M\"uhlherr, Bernhard and Maldeghem, Hendrik Van},
     title = {Exceptional {Moufang} {Quadrangles} of {Type} {F4}},
     journal = {Canadian journal of mathematics},
     pages = {347--371},
     year = {1999},
     volume = {51},
     number = {2},
     doi = {10.4153/CJM-1999-018-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-018-2/}
}