Interoperable Geospatial Objects. - Jim Nolan; Jonathan Doughty; Steve Hirsch; Patrick Jones (MD, 1999)

On domination and reinforcement numbers in trees. - Jean R. S. Blair; Wayne Goddard; Stephen T. Hedetniemi; Steven B. Horton; Patrick Jones; Grzegorz Kubicki (Discret. Math., 2008)