Barry Cullingworth,Simin Davoudi,David Webb,Geoff Vigar,John Pendlebury,Tim Townshend,Menelaos Gkartzios,Trevor (University of Newcastle Hart UK),Vincent Nadin
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J. Barry Cullingworth/ Roger Caves
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Roger W. (San Diego State University Caves USA),J. Barry Cullingworth
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Barry Cullingworth/ Roger W. Caves
(1)
Barry Cullingworth/ Vincent Nadin/ Trevor Hart/ Simin Davoudi
(1)
J. Barry Cullingworth (EDT)
(1)