Yongho Lee Deog-Kyoon Jeong Taewhan Kim Simultaneous control of power/ground current, wakeup time and transistor overhead in power gated circuits. 169-172 2008 ICCAD http://doi.acm.org/10.1145/1509456.1509502 conf/iccad/2008 db/conf/iccad/iccad2008.html#LeeJK08