Raymond A. Paul Tosiyasu L. Kunii Yoshihisa Shinagawa Arif Ghafoor Object-Oriented Evolutionary Database Design for Software Metrics Data. 32-37 1997 conf/compsac/1997 COMPSAC http://computer.org/proceedings/compsac/8105/81050032abs.htm db/conf/compsac/compsac1997.html#PaulKSG97