@phdthesis\{ballagas2007e,
document_type = \{PhdThesis},
timestamp = \{20070823},
author = \{Rafael Ballagas},
title = \{Bringing Iterative Design To Ubiquitous Computing: Interaction Techniques, Toolkits, and Evaluation Methods},
school = \{RWTH Aachen University},
year = \{2007},
pdf = \{/materials/publications/ballagas2007e.pdf}
}