@InCollection{RCA:28,
author = {{Siebert, T.}},
title = {{Recursive Computation of Free Resolutions and a Generalized 
Koszul Complex}},
year = "2000",
month = "Jan",

  booktitle = "Reports On Computer Algebra",
  publisher = "Centre for Computer Algebra, University of Kaiserslautern",
  number = 28,
  note ="Online available at http://www.mathematik.uni-kl.de/~zca"
}