Paul J. M. Havinga Arne Helme Sape J. Mullender Gerard J. M. Smit Jaap Smit Battery-powered distributed systems (extended abstract). 210-213 1998 conf/sigopsE/1998 ACM SIGOPS European Workshop https://doi.org/10.1145/319195.319227 db/conf/sigopsE/sigopsE1998.html#HavingaHMSS98