  
  
  [1XReferences[101X
  
  [[20XGAP[120X]   [17XA   Bibliography   of  GAP  related  publications[117X,  The  GAP  Group,
  http://www.gap-system.org/Doc/Bib/gap-publishednicer.bib.
  
  [[20XBog[120X]         [16XBogomolny,        A.[116X,        [17XSam        Loyd's        Fifteen[117X,
  http://www.cut-the-knot.org/pythagoras/fifteen.shtml.
  
  [[20XCN04[120X]  [16XCeller,  F. and Neunhöffer, M.[116X, [17XXGAP, a graphical user interface for
  GAP,      Version     4.21[117X     (2004),     ((Refereed     GAP     package)),
  http://www-groups.mcs.st-and.ac.uk/~neunhoef/Computer/Software/Gap/xgap4.html.
  
  [[20XKöla[120X]            [16XKöller,            J.[116X,            [17XPeg           Solitaire[117X,
  http://www.mathematische-basteleien.de/solitaire.htm.
  
  [[20XKölb[120X]            [16XKöller,            J.[116X,            [17XRubik's            Cube[117X,
  http://www.mathematische-basteleien.de/rubikscube.htm.
  
  [[20XLN07[120X]  [16XLübeck,  F.  and  Neunhöffer,  M.[116X,  [17XGAPDoc,  A  Meta Package for GAP
  Documentation,    Version    1.0[117X    (2007),    ((Refereed   GAP   package)),
  http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc.
  
  [[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.
  
  [[20XOR[120X]  [16XO'Connor,  J.  J.  and  Robertson,  E.  F.[116X,  University of St Andrews,
  http://www-history.mcs.st-and.ac.uk/HistTopics/Mathematical_games.html.
  
  [[20XOR00[120X]  [16XO'Connor,  J.  J.  and  Robertson,  E.  F.[116X,  [17XMathematical  MacTutor[117X,
  University            of            St            Andrews            (2000),
  http://www-groups.dcs.st-and.ac.uk/~edmund/mactutor.html.
  
  [[20XSch[120X]     [16XSchönert,     M.[116X,     [17XAnalyzing    Rubik's    Cube    with    GAP[117X,
  http://www.gap-system.org/Doc/Examples/rubik.html.
  
  [[20XNCu[120X] [17XThe ncurses C library[117X, http://dickey.his.com/ncurses/ncurses.faq.html.
  
  [[20XWPNBB07[120X]  [16XWilson,  R.  A.,  Parker,  R.  A., Nickerson, S., Bray, J. N. and
  Breuer, T.[116X, [17XAtlasRep, A GAP Interface to the Atlas of Group Representations,
  Version       1.3.1[117X       (2007),       ((Refereed       GAP      package)),
  http://www.math.rwth-aachen.de/~Thomas.Breuer/atlasrep.
  
  
  
  [32X
