%0 Journal Article %A Spence, E. %T A new class of Hadamard matrices %J Glasgow mathematical journal %D 1967 %P 59-62 %V 8 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000094/ %R 10.1017/S0017089500000094 %F 10_1017_S0017089500000094