1. GERAM. GERAM: Generalised Enterprise Reference Architecture and Methodology, Version 1.6.3. IFIP–IFAC; 1999.http://www.cit.gu.edu.au/~bernus/.
2. CIMOSA;Kosanke;Comput Ind,1999
3. Ortiz A. Propuesta para el Desarrollo de Programas de Integracion Empresarial. Aplicacion a una Empresa del Sector Ceramico. PhD thesis, Valencia, Spain, 1998.
4. Constructing a typology for networks of firms;Burlat;Prod Plann Control,2003
5. Voster project. VO modelling report 2003. 2001–2004. Deliverable D24.1 at http://cic.vtt.fi/projects/voster/.