Yu Wang 0002 Xiaoming Chen Wenping Wang Yu Cao Yuan Xie Huazhong Yang Gate replacement techniques for simultaneous leakage and aging optimization. 328-333 2009 DATE http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=5090609&arnumber=5090683&count=326&index=69 conf/date/2009 db/conf/date/date2009.html#0002CWCXY09