========================================== Prof. Koos Koen Wits Business School University of the Witwatersrand Johannesburg, South Africa. E-Mail: koen.k@wbs.wits.ac.za or koos@knowinter.com Tel: +27(0)824436430 Fax: +27(0)821314436430 http://wbs.mgmt.wits.ac.za ==========================================