Andrew B. Kahng Ronald Collett Ton. H. van de Kraats Design Metrics to Achieve Design Quality. 9 2001 conf/isqed/2001 ISQED http://csdl.computer.org/comp/proceedings/isqed/2001/1025/00/10250009.pdf db/conf/isqed/isqed2001.html#KahngCK01