@InCollection{RCA:36,
author = {Levandovskyy, V.},
title = {{Plural, a Non­commutative Extension of Singular: 
                 Past, Present and Future}},
year = "2006",
month = "June",

  booktitle = "Reports On Computer Algebra",
  publisher = "Centre for Computer Algebra, University of Kaiserslautern",
  number = 36,
  note ="Online available at http://www.mathematik.uni-kl.de/~zca"
}