Robert J. Kempton, Thomas Kempton
Katrin Romanek, Helena Fels, Torsten Dame [...]
A. T. Proudfoot, J. Noble, J. Nimmo [...]
Robert D Smyth, Pramod B Chemburkar, P P Mathur [...]
Stefan Slak
James S. Woods
K C Rooke
Carl D. Chambers, T. Peter Bridge, David M. Petersen [...]
A. A. H. Lawson, S. S. Brown
J.-M. Bordeleau, B. Lafrenière, P. Rajotte [...]
, Torsten Dame 
