A Coalgebraic View of Heyting Duality. - Brian A. Davey; John C. Galati (Stud Logica, 2003)

On the Non-existence of Semiregular Relative Difference Sets in Groups with All Sylow Subgroups Cyclic. - John C. Galati (Des. Codes Cryptogr., 2005)

A group extensions approach to affine relative difference sets of even order. - John C. Galati (Discret. Math., 2006)