@inproceedings{DBLP:conf/sbm/SilvaBLPCS07,
author = {Ruwanee de Silva and
David Tyler Bischel and
WeeSan Lee and
Eric Jeffrey Peterson and
Robert C. Calfee and
Thomas F. Stahovich},
title = {Kirchhoff's Pen: A Pen-based Circuit Analysis Tutor},
booktitle = {SBM},
year = {2007},
pages = {75-82},
ee = {http://dx.doi.org/10.2312/SBM/SBM07/075-082},
crossref = {DBLP:conf/sbm/2007},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
@proceedings{DBLP:conf/sbm/2007,
editor = {Michiel van de Panne and
Eric Saund},
title = {Sketch Based Interfaces and Modeling, Riverside, California,
USA, 2007. Proceedings},
booktitle = {SBM},
publisher = {Eurographics Association},
year = {2007},
isbn = {978-3-905674-00-2},
bibsource = {DBLP, http://dblp.uni-trier.de}
}