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by Mark, Roy; Kline, Joe
by van Driesche, Roy; Simberloff, Daniel; Blossey, Bernd; et al.
by Thomas, Roy; Macchio, Ralph; Gruenwald, Mark; et al.
by Doughty, Robert; Gruber, Ira; Flint, Roy; et al.
by Twain, Mark; Blount, Roy, Jr.; de Sève, Peter
by Sutherland, Mark I.; Federer, William J.; Moore, Roy; et al.
by van Driesche, Roy; Hoddle, Mark; Center, Ted
by Edited by Mark N. K. Saunders , Denise Skinner , Graham Dietz , Nicole Gillespie , Roy J. Lewicki