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  [[20XHor14[120X] [16XHorn, M.[116X, [17XGitHubPagesForGAP - Template for easily using GitHub Pages
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  (2016),                   ((                   GAP                  package,
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  [[20XKoh16b[120X]  [16XKohl,  S.[116X,  [17XResClasses  -  Set-Theoretic Computations with Residue
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  [[20XLN12[120X]  [16XLübeck,  F.  and Neunhöffer, M.[116X, [17XGAPDoc (Version 1.5.1)[117X, RWTH Aachen
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  [[20XTQ16[120X]  [16XThe  QPA-team,  [116X,  [17XQPA  -  Quivers  and Path Algebras (Version 1.25)[117X
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  [[20XWAOU16[120X]  [16XWensley,  C.,  Alp, M., Odabas, A. and Uslu, E. O.[116X, [17XXMod - Crossed
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  [32X
