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by Alan Gunn (Liverpool John Moores University, UK)
by Gunn, Neil M.; Spence, Alan
by Gunn, Alan
by Hauser, Alan J.; Clines, David J. A.; Gunn, David M.
by Johnson, Vincent R.; Gunn, Alan
by Gunn, Alan; Pitt, Sarah Jane
by Gunn, Alan; Ward, Larry D.
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