Kazuki Iwamoto Tadashi Dohi Naoto Kaio Estimating Periodic Software Rejuvenation Schedules under Discrete-Time Operation Circumstance. 23-31 2008 91-D IEICE Transactions 1 http://dx.doi.org/10.1093/ietisy/e91-d.1.23 db/journals/ieicet/ieicet91d.html#IwamotoDK08