  
  
  [1XReferences[101X
  
  [[20XBR08[120X]  [16XBarakat,  M.  and  Robertz,  D.[116X,  [17Xhomalg  --  A  Meta-Package  for  Homological  Algebra[117X, [18XJ. Algebra Appl.[118X, [19X7[119X, 3 (2008), 299--317,
  ((arXiv:math.AC/0701146)).
  
  [[20XMR01[120X]  [16XMcConnell,  J.  C.  and  Robson,  J. C.[116X, [17XNoncommutative Noetherian rings[117X, American Mathematical Society, Revised edition, Graduate
  Studies in Mathematics, [19X30[119X, Providence, RI (2001), xx+636 pages, ((With the cooperation of L. W. Small)).
  
  
  
  [32X
