1. Avila, P.; Putnik, G.; Cunha, M. (2002). Brokerage function in agile virtual enterprise integration, Proceedings PRO-VE’2002 Conf., Kluwer Academic Publishers, pp. 65–72.
2. Camarinha-Matos, L.M.; Afsarmanesh, H. (2002). Dynamic Virtual Organizations, or not so Dynamic ?, Proceedings PRO-VE’2002 Conf., Kluwer Academic Publishers, pp. 111–124.
3. Camarinha-Matos, L.M.; Cardoso, T. (1999), Selection of Partners for a Virtual Enterprise, Proceedings PRO-VE’99 Conf., Kluwer Academic Publishers, pp. 259–278.
4. Costa, S.; Rabelo, R. (2002). Supporting the creation of virtual enterprises using mobile agents, Proceedings PRO-VE’2002 Conf., Kluwer Academic Publishers, pp. 371–378.
5. Ellison, C. M. and et al (1999). SPKI Requirements,The Internet Engineering Task Force.