m-Clouds in generalized hexagons. - Leen Brouns; Joseph A. Thas; Hendrik Van Maldeghem (Discret. Math., 2002)

A Characterization ofQ(5, q) Using One SubquadrangleQ(4, q ). - Leen Brouns; Joseph A. Thas; Hendrik Van Maldeghem (Eur. J. Comb., 2002)