  
  
  [1XReferences[101X
  
  [[20XGAP[120X]  [17XGAP  --  Groups,  Algorithms, and Programming, Version 4.4.9[117X, The GAP
  Group, Aachen, St Andrews (2006), ((http://www.gap-system.org)).
  
  [[20XLam85[120X]  [16XLamport,  L.[116X,  [17XLaTeX: A Document Preparation System[117X, Addison-Wesley
  (1985).
  
  [[20XNeu07[120X] [16XNeunhöffer, M.[116X, [17XIO, Bindings for low level C library IO, Version 2.2[117X
  (2007),                           ((GAP                           package)),
  http://www-groups.mcs.st-and.ac.uk/~neunhoef/Computer/Software/Gap/io.html.
  
  
  
  [32X
