David Michelinie/ Carl Potts/ D. G. Chichester/ Len Kaminski/ Mark Bagley (ILT)
(1)
Mark A. Lewis/ Sergei V. Petrovskii/ Jonathan R. Potts
(1)
P. J. Potts (EDT)/ John F. W. Bowles (EDT)/ S. J. B. Reed (EDT)/ Mark R. Cave (EDT)/ Mineralogical Society (Great Britain)
(1)
Steven Coombs/ Mark Potts/ Jack Whitehead
(1)