"Ioan NISTOR" <nistor@genie.uottawa.ca> PhD, Ing. (OIQ) Assistant Professor Department of Civil Engineering University of Ottawa 161, Louis Pasteur St., A115 Ottawa, Ontario, K1N 6N5 CANADA Tel: (613)-562-5800 (ext. 6147) Fax:(613)-562-5173 E-mail: nistor@genie.uottawa.ca / ioan67@yahoo.com http://www.genie.uottawa.ca/people/professor/226/e/