%0 Journal Article %A Drake, David A. %A Larson, Jean A. %T The nonexistence of certain projective planes of order 15. %J Experimental mathematics %D 1992 %P 65-69 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_1992__1_1_229528/ %G en %F EXMA_1992__1_1_229528