@article{DBLP:journals/cgf/ZieglerK08,
author = {Hartmut Ziegler and
Daniel A. Keim},
title = {COPERNICUS: Context-Preserving Engine for Route Navigation
with Interactive User-modifiable Scaling},
journal = {Comput. Graph. Forum},
volume = {27},
number = {3},
year = {2008},
pages = {927-934},
ee = {http://dx.doi.org/10.1111/j.1467-8659.2008.01226.x},
bibsource = {DBLP, http://dblp.uni-trier.de}
}