%0 Journal Article %A Hollmann, Henk D.L. %A Xiang, Qing %T Association schemes from the action of ${PGL}(2,q)$ fixing a nonsingular conic in ${PG}(2,q)$ %J Journal of Algebraic Combinatorics %D 2006 %P 157-193 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2006__24_2_a2/ %G en %F JAC_2006__24_2_a2