  
  
  [1XReferences[101X
  
  [[20XLN12[120X]  [16XLübeck,  F.  and Neunhöffer, M.[116X, [17XGAPDoc (Version 1.5.1)[117X, RWTH Aachen
  (2012),                   ((                   GAP                  package,
  http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/index.html )).
  
  
  
  [32X
