Larry Arnstein Robert Grimm Chia-Yang Hung Jong Hee Kang Anthony LaMarca Gary Look Stefan B. Sigurdsson Jing Su Gaetano Borriello Systems Support for Ubiquitous Computing: A Case Study of Two Implementations of Labscape. 30-44 2002 conf/pervasive/2002 Pervasive http://link.springer.de/link/service/series/0558/bibs/2414/24140030.htm db/conf/pervasive/pervasive2002.html#ArnsteinGHKLLSSB02