Joshua Lifton Deva Seetharam Michael Broxton Joseph A. Paradiso Pushpin Computing System Overview: A Platform for Distributed, Embedded, Ubiquitous Sensor Networks. 139-151 2002 conf/pervasive/2002 Pervasive http://link.springer.de/link/service/series/0558/bibs/2414/24140139.htm db/conf/pervasive/pervasive2002.html#LiftonSBP02