1. A. Aramova, J. Herzog and T. Hibi, Finite lattices and lexicographic Grbner bases, European J. Combin. 21 (2000), no. 4, 431–439.
2. A. Aramova, J. Herzog and T. Hibi, Shellability of semigroup rings, to appear in Nagoya J. Math. 2002.
3. L. L. Avramov, Infinite free resolutions, Six Lectures on Commutative Algebra; Barcelona 1997 (J. Elias, J.M. Giral, R.M. Miro-Roig, S. Zarzuela, eds.), Progress in Mathematics 166, Birkhauser, 1998, pp. 1–118.
4. L. L. Avramov, I. Peeva, Finite regularity and Koszul algebras, Amer. J. Math. 123 (2001), 275–281.
5. J. Backelin, On the rate of growth of the homologies of Veronese subrings, Algebra, Algebraic Topology and their Interactions (J.E. Roos, ed.), Springer Lecture notes in Math. 1183, Springer 1986, pp. 79–100.