Beers, Henry A. (2) Kulke, Hermann (university Of Kiel), Rothermund, Dietmar (university Of Heidelberg (2) Hayden, Joseph R. (university Of Memphis (1) Bideleux, Robert (university Of Wales, Jeffries, Ian (swansea University (1) Bisson, Douglas R. (belmont University, Roberts, Clayton, Roberts, David (1)