Wichmann, R.
Ahrens, J.
Arends, H. J.
Beck, R.
Galler, G.
Hünger, A.
Kraus, A.
MacGregor, I. J. D.
Peise, J.
Seitz, B.
Schmitz, M.
Schneider, M.
Selke, O.
Schumacher, M.
Wissmann, F.
Article History
Received: 5 January 1996
Revised: 19 February 1996
First Online: 29 April 2014