Gerhard Schrom Peter Hazucha Jae-Hong Hahn Volkan Kursun Donald S. Gardner Siva Narendra Tanay Karnik Vivek De Feasibility of monolithic and 3D-stacked DC-DC converters for microprocessors in 90nm technology generation. 263-268 2004 conf/islped/2004 ISLPED http://doi.acm.org/10.1145/1013235.1013302 db/conf/islped/islped2004.html#SchromHHKGNKD04