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by Collins, Daryl; Rutherfor, Stuart; Ruthven, Orlanda; et al.
by Ruthven, Alasdair K. B.
by Ruthven, Ian; Kelly, Diane
by Ruthven, Malise
by Guin, Dominique; Ruthven, Kenneth; Trouche, Luc
by Rowland, Tim; Ruthven, Kenneth
by Keitel, Christine; Ruthven, Kenneth
by Goldstein, Gerald; Ruthven, Leslie
by Best, G A; Ruthven, A D