[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