Hossein Saiedian Prabhaharan Kumarakulasingam Muhammad Anan Scenario-based requirements analysis techniques for real-time software systems: a comparative evaluation. 22-33 2005 10 Requir. Eng. 1 http://www.springerlink.com/index/10.1007/s00766-004-0192-6 db/journals/re/re10.html#SaiedianKA05