  
  
  [1XReferences[0X
  
  [[20XBar09[15X]   [16XBarakat,   M.[15X,   [17XThe   homalg  package  --  GAP4[15X  (2007-2009),
  ((http://homalg.math.rwth-aachen.de/index.php/core-packages/homalg-package)).
  
  [[20XBGKL08[15X]  [16XBarakat,  M.,  Görtzen, S., Kirschmer, M. and Lange-Hegermann,
  M.[15X,         [17XGAP        Package        RingsForHomalg[15X        (2007-2008),
  ((http://homalg.math.rwth-aachen.de/index.php/core-packages/ringsforhomalg)).
  
  [[20XBR08[15X]  [16XBarakat,  M.  and  Robertz,  D.[15X,  [17Xhomalg  --  A Meta-Package for
  Homological   Algebra[15X,   [18XJ.   Algebra  Appl.[15X,  [19X7[15X,  3  (2008),  299--317,
  ((arXiv:math.AC/0701146)).
  
  [[20XGör08a[15X]   [16XGörtzen,   S.[15X,   [17XGAP   Package   GaussForHomalg[15X  (2007-2008),
  ((http://wwwb.math.rwth-aachen.de/goertzen/GaussForHomalg)).
  
  [[20XGör08b[15X]     [16XGörtzen,     S.[15X,     [17XGAP     Package    SCO[15X    (2007-2008),
  ((http://wwwb.math.rwth-aachen.de/goertzen/SCO)).
  
  [[20Xht09[15X]    [16Xhomalg    team,    T.[15X,   [17XThe   homalg   project[15X   (2003-2009),
  ((http://homalg.math.rwth-aachen.de/)).
  
  [[20XLN08[15X]  [16XLübeck,  F.  and Neunhöffer, M.[15X, [17XGAP Package GAPDoc[15X (2007-2008),
  ((http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc)).
  
  [[20XMP99[15X]   [16XMoerdijk,  I.  and  Pronk,  D.  A.[15X,  [17XSimplicial  cohomology  of
  orbifolds[15X, [18XIndag. Math. (N.S.)[15X, [19X10[15X, 2 (1999), 269--293.
  
  
  
  -------------------------------------------------------
