Martin Waldburger, Matthias Göhner, Burkhard Stiller: An Accounting Model for Dynamic Virtual Organizations; in: Seventh IEEE International Symposium on Cluster Computing and the Grid (CCGrid 2007), Rio de Janeiro, Brazil, May 2007, pp 1-14. URL: http://www.csg.uzh.ch/staff/waldburger/extern/presentations/An_Accounting_Model_for_Dynamic_Virtual_Organizations_v02.pdf.