C-Extensions of the F<sub>4</sub>(2)-building.

Alexandre A. Ivanov Dmitrii V. Pasechnik C-Extensions of the F<sub>4</sub>(2)-building. 91-110 2003 264 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/S0012-365X(02)00554-X db/journals/dm/dm264.html#IvanovP03