1. D. Bayer, and, M. Stillman, Macaulay: A system for computation in algebraic geometry and commutative algebra. Source and object code available for Unix and Macintosh computers. Contact the authors, or download from, zariski.harvard.edu, via anonymous ftp.
2. How to compute the canonical module of a set of points;Beck,1996
3. Betti numbers of compressed level algebras;Boij;J. Pure Appl. Algebra,1999
4. Cohen–Macaulay Rings;Bruns,1993
5. Compressed algebras;Fröberg,1984