Peukert, S. [P:(DE-HGF)0] ; Bol, R. [P:(DE-Juel1)145865] ; Roberts, W. [P:(DE-HGF)0] ; Macleod, C.J.A. [P:(DE-HGF)0] ; Murray, P.J. [P:(DE-HGF)0] ; Dixon, E.R. [P:(DE-HGF)0] ; Brazier, R.E. [P:(DE-HGF)0]