Ali Ebnenasir Sandeep S. Kulkarni Borzoo Bonakdarpour Revising UNITY Programs: Possibilities and Limitations. 275-290 2005 conf/opodis/2005 OPODIS http://dx.doi.org/10.1007/11795490_22 db/conf/opodis/opodis2005.html#EbnenasirKB05