%0 Journal Article %T Reversible difference sets with rational idempotents %A Jordan D. Webster %J Arabian Journal of Mathematics %@ 2193-5351 %D 2013 %I %R 10.1007/s40065-012-0055-9 %K 05B10 %U http://link.springer.com/article/10.1007/s40065-012-0055-9