@article{DBLP:journals/jite/RajalaLKS08,
author = {Teemu Rajala and
Mikko-Jussi Laakso and
Erkki Kaila and
Tapio Salakoski},
title = {Effectiveness of Program Visualization: A Case Study with
the ViLLE Tool},
journal = {JITE},
volume = {7},
year = {2008},
pages = {15-32},
ee = {http://www.jite.org/documents/Vol7/JITEv7IIP015-032Rajala394.pdf},
bibsource = {DBLP, http://dblp.uni-trier.de}
}